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Finding the Fourth Proportional to 424,456.56, 585,740.43 and 233,465.85

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Solution

The fourth proportional to 424,456.56, 585,740.43 and 233,465.85 is: 322,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,456.56 : 585,740.43 = 233,465.85 : x
  2. Step 2: Convert to fraction form
    424,456.56/585,740.43 = 233,465.85/x
  3. Step 3: Cross multiply
    424,456.56x = 585,740.43 × 233,465.85
  4. Step 4: Simplify right side
    424,456.56x = 136,750,387,369.32
  5. Step 5: Solve for x
    x = 136,750,387,369.32/424,456.56
  6. Step 6: Final answer
    x = 322,177.58

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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.