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Finding the Fourth Proportional to 371,043.38, 556,655.65 and 118,323.87

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Solution

The fourth proportional to 371,043.38, 556,655.65 and 118,323.87 is: 177,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,043.38 : 556,655.65 = 118,323.87 : x
  2. Step 2: Convert to fraction form
    371,043.38/556,655.65 = 118,323.87/x
  3. Step 3: Cross multiply
    371,043.38x = 556,655.65 × 118,323.87
  4. Step 4: Simplify right side
    371,043.38x = 65,865,650,469.56
  5. Step 5: Solve for x
    x = 65,865,650,469.56/371,043.38
  6. Step 6: Final answer
    x = 177,514.69

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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.