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Finding the Fourth Proportional to 425,445.72, 587,112.24 and 234,459.24

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Solution

The fourth proportional to 425,445.72, 587,112.24 and 234,459.24 is: 323,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,445.72 : 587,112.24 = 234,459.24 : x
  2. Step 2: Convert to fraction form
    425,445.72/587,112.24 = 234,459.24/x
  3. Step 3: Cross multiply
    425,445.72x = 587,112.24 × 234,459.24
  4. Step 4: Simplify right side
    425,445.72x = 137,653,889,585.10
  5. Step 5: Solve for x
    x = 137,653,889,585.10/425,445.72
  6. Step 6: Final answer
    x = 323,552.18

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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.