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Finding the Fourth Proportional to 424,514.10, 636,526.92 and 253,906.22

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Solution

The fourth proportional to 424,514.10, 636,526.92 and 253,906.22 is: 380,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,514.10 : 636,526.92 = 253,906.22 : x
  2. Step 2: Convert to fraction form
    424,514.10/636,526.92 = 253,906.22/x
  3. Step 3: Cross multiply
    424,514.10x = 636,526.92 × 253,906.22
  4. Step 4: Simplify right side
    424,514.10x = 161,618,144,185.44
  5. Step 5: Solve for x
    x = 161,618,144,185.44/424,514.10
  6. Step 6: Final answer
    x = 380,713.25

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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.