Home / 571,571.44-857,357.56-145,139.24

Finding the Fourth Proportional to 571,571.44, 857,357.56 and 145,139.24

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Solution

The fourth proportional to 571,571.44, 857,357.56 and 145,139.24 is: 217,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,571.44 : 857,357.56 = 145,139.24 : x
  2. Step 2: Convert to fraction form
    571,571.44/857,357.56 = 145,139.24/x
  3. Step 3: Cross multiply
    571,571.44x = 857,357.56 × 145,139.24
  4. Step 4: Simplify right side
    571,571.44x = 124,436,226,991.47
  5. Step 5: Solve for x
    x = 124,436,226,991.47/571,571.44
  6. Step 6: Final answer
    x = 217,708.97

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.