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Finding the Fourth Proportional to 345,560.92, 518,306.33 and 92,808.57

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Solution

The fourth proportional to 345,560.92, 518,306.33 and 92,808.57 is: 139,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,560.92 : 518,306.33 = 92,808.57 : x
  2. Step 2: Convert to fraction form
    345,560.92/518,306.33 = 92,808.57/x
  3. Step 3: Cross multiply
    345,560.92x = 518,306.33 × 92,808.57
  4. Step 4: Simplify right side
    345,560.92x = 48,103,266,253.67
  5. Step 5: Solve for x
    x = 48,103,266,253.67/345,560.92
  6. Step 6: Final answer
    x = 139,203.43

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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.