Home / 306,923.54-423,555.28-177,887.03

Finding the Fourth Proportional to 306,923.54, 423,555.28 and 177,887.03

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Solution

The fourth proportional to 306,923.54, 423,555.28 and 177,887.03 is: 245,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,923.54 : 423,555.28 = 177,887.03 : x
  2. Step 2: Convert to fraction form
    306,923.54/423,555.28 = 177,887.03/x
  3. Step 3: Cross multiply
    306,923.54x = 423,555.28 × 177,887.03
  4. Step 4: Simplify right side
    306,923.54x = 75,344,988,237.52
  5. Step 5: Solve for x
    x = 75,344,988,237.52/306,923.54
  6. Step 6: Final answer
    x = 245,484.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.