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Finding the Fourth Proportional to 186,150.68, 279,269.76 and 53,032.85

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Solution

The fourth proportional to 186,150.68, 279,269.76 and 53,032.85 is: 79,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,150.68 : 279,269.76 = 53,032.85 : x
  2. Step 2: Convert to fraction form
    186,150.68/279,269.76 = 53,032.85/x
  3. Step 3: Cross multiply
    186,150.68x = 279,269.76 × 53,032.85
  4. Step 4: Simplify right side
    186,150.68x = 14,810,471,291.62
  5. Step 5: Solve for x
    x = 14,810,471,291.62/186,150.68
  6. Step 6: Final answer
    x = 79,561.74

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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.