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Finding the Fourth Proportional to 425,600, 587,332.05 and 234,620.24

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Solution

The fourth proportional to 425,600, 587,332.05 and 234,620.24 is: 323,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,600 : 587,332.05 = 234,620.24 : x
  2. Step 2: Convert to fraction form
    425,600/587,332.05 = 234,620.24/x
  3. Step 3: Cross multiply
    425,600x = 587,332.05 × 234,620.24
  4. Step 4: Simplify right side
    425,600x = 137,799,986,530.69
  5. Step 5: Solve for x
    x = 137,799,986,530.69/425,600
  6. Step 6: Final answer
    x = 323,778.16

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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.