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Finding the Fourth Proportional to 153,308.27, 229,962.47 and 68,969.94

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Solution

The fourth proportional to 153,308.27, 229,962.47 and 68,969.94 is: 103,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,308.27 : 229,962.47 = 68,969.94 : x
  2. Step 2: Convert to fraction form
    153,308.27/229,962.47 = 68,969.94/x
  3. Step 3: Cross multiply
    153,308.27x = 229,962.47 × 68,969.94
  4. Step 4: Simplify right side
    153,308.27x = 15,860,497,758.15
  5. Step 5: Solve for x
    x = 15,860,497,758.15/153,308.27
  6. Step 6: Final answer
    x = 103,454.94

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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.