Home / 407,370.24-611,062.20-141,138.60

Finding the Fourth Proportional to 407,370.24, 611,062.20 and 141,138.60

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Solution

The fourth proportional to 407,370.24, 611,062.20 and 141,138.60 is: 211,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,370.24 : 611,062.20 = 141,138.60 : x
  2. Step 2: Convert to fraction form
    407,370.24/611,062.20 = 141,138.60/x
  3. Step 3: Cross multiply
    407,370.24x = 611,062.20 × 141,138.60
  4. Step 4: Simplify right side
    407,370.24x = 86,244,463,420.92
  5. Step 5: Solve for x
    x = 86,244,463,420.92/407,370.24
  6. Step 6: Final answer
    x = 211,710.27

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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.