Home / 402,217.42-602,407.59-192,002.98

Finding the Fourth Proportional to 402,217.42, 602,407.59 and 192,002.98

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Solution

The fourth proportional to 402,217.42, 602,407.59 and 192,002.98 is: 287,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,217.42 : 602,407.59 = 192,002.98 : x
  2. Step 2: Convert to fraction form
    402,217.42/602,407.59 = 192,002.98/x
  3. Step 3: Cross multiply
    402,217.42x = 602,407.59 × 192,002.98
  4. Step 4: Simplify right side
    402,217.42x = 115,664,052,454.62
  5. Step 5: Solve for x
    x = 115,664,052,454.62/402,217.42
  6. Step 6: Final answer
    x = 287,565.99

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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.