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Finding the Fourth Proportional to 424,425.44, 636,678.12 and 124,906.16

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Solution

The fourth proportional to 424,425.44, 636,678.12 and 124,906.16 is: 187,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,425.44 : 636,678.12 = 124,906.16 : x
  2. Step 2: Convert to fraction form
    424,425.44/636,678.12 = 124,906.16/x
  3. Step 3: Cross multiply
    424,425.44x = 636,678.12 × 124,906.16
  4. Step 4: Simplify right side
    424,425.44x = 79,525,019,125.22
  5. Step 5: Solve for x
    x = 79,525,019,125.22/424,425.44
  6. Step 6: Final answer
    x = 187,371.00

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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.