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Finding the Fourth Proportional to 266,669.88, 400,005.18 and 108,898.32

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Solution

The fourth proportional to 266,669.88, 400,005.18 and 108,898.32 is: 163,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,669.88 : 400,005.18 = 108,898.32 : x
  2. Step 2: Convert to fraction form
    266,669.88/400,005.18 = 108,898.32/x
  3. Step 3: Cross multiply
    266,669.88x = 400,005.18 × 108,898.32
  4. Step 4: Simplify right side
    266,669.88x = 43,559,892,093.30
  5. Step 5: Solve for x
    x = 43,559,892,093.30/266,669.88
  6. Step 6: Final answer
    x = 163,347.63

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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.