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Finding the Fourth Proportional to 424,451.61, 585,740.16 and 233,460.90

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Solution

The fourth proportional to 424,451.61, 585,740.16 and 233,460.90 is: 322,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,451.61 : 585,740.16 = 233,460.90 : x
  2. Step 2: Convert to fraction form
    424,451.61/585,740.16 = 233,460.90/x
  3. Step 3: Cross multiply
    424,451.61x = 585,740.16 × 233,460.90
  4. Step 4: Simplify right side
    424,451.61x = 136,747,424,919.74
  5. Step 5: Solve for x
    x = 136,747,424,919.74/424,451.61
  6. Step 6: Final answer
    x = 322,174.36

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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.