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Finding the Fourth Proportional to 303,167.76, 418,124.96 and 266,790.72

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Solution

The fourth proportional to 303,167.76, 418,124.96 and 266,790.72 is: 367,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,167.76 : 418,124.96 = 266,790.72 : x
  2. Step 2: Convert to fraction form
    303,167.76/418,124.96 = 266,790.72/x
  3. Step 3: Cross multiply
    303,167.76x = 418,124.96 × 266,790.72
  4. Step 4: Simplify right side
    303,167.76x = 111,551,859,128.37
  5. Step 5: Solve for x
    x = 111,551,859,128.37/303,167.76
  6. Step 6: Final answer
    x = 367,954.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.