Home / 268,488.21-402,711.21-156,096.75

Finding the Fourth Proportional to 268,488.21, 402,711.21 and 156,096.75

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Solution

The fourth proportional to 268,488.21, 402,711.21 and 156,096.75 is: 234,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,488.21 : 402,711.21 = 156,096.75 : x
  2. Step 2: Convert to fraction form
    268,488.21/402,711.21 = 156,096.75/x
  3. Step 3: Cross multiply
    268,488.21x = 402,711.21 × 156,096.75
  4. Step 4: Simplify right side
    268,488.21x = 62,861,911,069.57
  5. Step 5: Solve for x
    x = 62,861,911,069.57/268,488.21
  6. Step 6: Final answer
    x = 234,132.85

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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.