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Finding the Fourth Proportional to 266,869.86, 368,220.12 and 159,418.86

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Solution

The fourth proportional to 266,869.86, 368,220.12 and 159,418.86 is: 219,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,869.86 : 368,220.12 = 159,418.86 : x
  2. Step 2: Convert to fraction form
    266,869.86/368,220.12 = 159,418.86/x
  3. Step 3: Cross multiply
    266,869.86x = 368,220.12 × 159,418.86
  4. Step 4: Simplify right side
    266,869.86x = 58,701,231,759.46
  5. Step 5: Solve for x
    x = 58,701,231,759.46/266,869.86
  6. Step 6: Final answer
    x = 219,962.01

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1.5x scale

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.