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Finding the Fourth Proportional to 332,870.16, 499,294.28 and 133,136.90

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Solution

The fourth proportional to 332,870.16, 499,294.28 and 133,136.90 is: 199,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,870.16 : 499,294.28 = 133,136.90 : x
  2. Step 2: Convert to fraction form
    332,870.16/499,294.28 = 133,136.90/x
  3. Step 3: Cross multiply
    332,870.16x = 499,294.28 × 133,136.90
  4. Step 4: Simplify right side
    332,870.16x = 66,474,492,626.93
  5. Step 5: Solve for x
    x = 66,474,492,626.93/332,870.16
  6. Step 6: Final answer
    x = 199,700.97

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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.