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Finding the Fourth Proportional to 342,372.93, 513,559.61 and 129,082.92

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Solution

The fourth proportional to 342,372.93, 513,559.61 and 129,082.92 is: 193,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,372.93 : 513,559.61 = 129,082.92 : x
  2. Step 2: Convert to fraction form
    342,372.93/513,559.61 = 129,082.92/x
  3. Step 3: Cross multiply
    342,372.93x = 513,559.61 × 129,082.92
  4. Step 4: Simplify right side
    342,372.93x = 66,291,773,407.45
  5. Step 5: Solve for x
    x = 66,291,773,407.45/342,372.93
  6. Step 6: Final answer
    x = 193,624.46

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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.