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Finding the Fourth Proportional to 266,669.38, 400,004.43 and 108,897.82

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Solution

The fourth proportional to 266,669.38, 400,004.43 and 108,897.82 is: 163,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,669.38 : 400,004.43 = 108,897.82 : x
  2. Step 2: Convert to fraction form
    266,669.38/400,004.43 = 108,897.82/x
  3. Step 3: Cross multiply
    266,669.38x = 400,004.43 × 108,897.82
  4. Step 4: Simplify right side
    266,669.38x = 43,559,610,417.34
  5. Step 5: Solve for x
    x = 43,559,610,417.34/266,669.38
  6. Step 6: Final answer
    x = 163,346.88

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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.