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Finding the Fourth Proportional to 424,121.43, 585,295.56 and 233,134.77

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Solution

The fourth proportional to 424,121.43, 585,295.56 and 233,134.77 is: 321,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,121.43 : 585,295.56 = 233,134.77 : x
  2. Step 2: Convert to fraction form
    424,121.43/585,295.56 = 233,134.77/x
  3. Step 3: Cross multiply
    424,121.43x = 585,295.56 × 233,134.77
  4. Step 4: Simplify right side
    424,121.43x = 136,452,745,762.62
  5. Step 5: Solve for x
    x = 136,452,745,762.62/424,121.43
  6. Step 6: Final answer
    x = 321,730.37

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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.