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Finding the Fourth Proportional to 424,432.47, 585,727.88 and 233,450.87

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Solution

The fourth proportional to 424,432.47, 585,727.88 and 233,450.87 is: 322,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,432.47 : 585,727.88 = 233,450.87 : x
  2. Step 2: Convert to fraction form
    424,432.47/585,727.88 = 233,450.87/x
  3. Step 3: Cross multiply
    424,432.47x = 585,727.88 × 233,450.87
  4. Step 4: Simplify right side
    424,432.47x = 136,738,683,169.26
  5. Step 5: Solve for x
    x = 136,738,683,169.26/424,432.47
  6. Step 6: Final answer
    x = 322,168.29

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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.