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Finding the Fourth Proportional to 186,502.53, 279,755.76 and 149,299.10

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Solution

The fourth proportional to 186,502.53, 279,755.76 and 149,299.10 is: 223,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,502.53 : 279,755.76 = 149,299.10 : x
  2. Step 2: Convert to fraction form
    186,502.53/279,755.76 = 149,299.10/x
  3. Step 3: Cross multiply
    186,502.53x = 279,755.76 × 149,299.10
  4. Step 4: Simplify right side
    186,502.53x = 41,767,281,789.04
  5. Step 5: Solve for x
    x = 41,767,281,789.04/186,502.53
  6. Step 6: Final answer
    x = 223,950.22

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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.