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Finding the Fourth Proportional to 424,975.50, 586,454.58 and 233,989.92

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Solution

The fourth proportional to 424,975.50, 586,454.58 and 233,989.92 is: 322,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,975.50 : 586,454.58 = 233,989.92 : x
  2. Step 2: Convert to fraction form
    424,975.50/586,454.58 = 233,989.92/x
  3. Step 3: Cross multiply
    424,975.50x = 586,454.58 × 233,989.92
  4. Step 4: Simplify right side
    424,975.50x = 137,224,460,257.83
  5. Step 5: Solve for x
    x = 137,224,460,257.83/424,975.50
  6. Step 6: Final answer
    x = 322,899.70

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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.