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Finding the Fourth Proportional to 266,094.78, 399,205.95 and 88,603.39

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Solution

The fourth proportional to 266,094.78, 399,205.95 and 88,603.39 is: 132,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,094.78 : 399,205.95 = 88,603.39 : x
  2. Step 2: Convert to fraction form
    266,094.78/399,205.95 = 88,603.39/x
  3. Step 3: Cross multiply
    266,094.78x = 399,205.95 × 88,603.39
  4. Step 4: Simplify right side
    266,094.78x = 35,371,000,478.17
  5. Step 5: Solve for x
    x = 35,371,000,478.17/266,094.78
  6. Step 6: Final answer
    x = 132,926.32

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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.