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Finding the Fourth Proportional to 282,930.28, 424,385.34 and 72,570.28

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Solution

The fourth proportional to 282,930.28, 424,385.34 and 72,570.28 is: 108,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,930.28 : 424,385.34 = 72,570.28 : x
  2. Step 2: Convert to fraction form
    282,930.28/424,385.34 = 72,570.28/x
  3. Step 3: Cross multiply
    282,930.28x = 424,385.34 × 72,570.28
  4. Step 4: Simplify right side
    282,930.28x = 30,797,762,951.70
  5. Step 5: Solve for x
    x = 30,797,762,951.70/282,930.28
  6. Step 6: Final answer
    x = 108,852.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.