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Finding the Fourth Proportional to 149,343.70, 224,015.55 and 55,837.30

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Solution

The fourth proportional to 149,343.70, 224,015.55 and 55,837.30 is: 83,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,343.70 : 224,015.55 = 55,837.30 : x
  2. Step 2: Convert to fraction form
    149,343.70/224,015.55 = 55,837.30/x
  3. Step 3: Cross multiply
    149,343.70x = 224,015.55 × 55,837.30
  4. Step 4: Simplify right side
    149,343.70x = 12,508,423,470.02
  5. Step 5: Solve for x
    x = 12,508,423,470.02/149,343.70
  6. Step 6: Final answer
    x = 83,755.95

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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.