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Finding the Fourth Proportional to 284,230.20, 425,526.10 and 173,638.20

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Solution

The fourth proportional to 284,230.20, 425,526.10 and 173,638.20 is: 259,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,230.20 : 425,526.10 = 173,638.20 : x
  2. Step 2: Convert to fraction form
    284,230.20/425,526.10 = 173,638.20/x
  3. Step 3: Cross multiply
    284,230.20x = 425,526.10 × 173,638.20
  4. Step 4: Simplify right side
    284,230.20x = 73,887,586,057.02
  5. Step 5: Solve for x
    x = 73,887,586,057.02/284,230.20
  6. Step 6: Final answer
    x = 259,956.85

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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.