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Finding the Fourth Proportional to 334,868.80, 502,317.80 and 166,469.80

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Solution

The fourth proportional to 334,868.80, 502,317.80 and 166,469.80 is: 249,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,868.80 : 502,317.80 = 166,469.80 : x
  2. Step 2: Convert to fraction form
    334,868.80/502,317.80 = 166,469.80/x
  3. Step 3: Cross multiply
    334,868.80x = 502,317.80 × 166,469.80
  4. Step 4: Simplify right side
    334,868.80x = 83,620,743,702.44
  5. Step 5: Solve for x
    x = 83,620,743,702.44/334,868.80
  6. Step 6: Final answer
    x = 249,711.96

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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.