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Finding the Fourth Proportional to 610,082.50, 915,257.76 and 250,255.48

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Solution

The fourth proportional to 610,082.50, 915,257.76 and 250,255.48 is: 375,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,082.50 : 915,257.76 = 250,255.48 : x
  2. Step 2: Convert to fraction form
    610,082.50/915,257.76 = 250,255.48/x
  3. Step 3: Cross multiply
    610,082.50x = 915,257.76 × 250,255.48
  4. Step 4: Simplify right side
    610,082.50x = 229,048,270,052.53
  5. Step 5: Solve for x
    x = 229,048,270,052.53/610,082.50
  6. Step 6: Final answer
    x = 375,438.19

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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.