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Finding the Fourth Proportional to 435,014.30, 652,759.29 and 168,785.33

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Solution

The fourth proportional to 435,014.30, 652,759.29 and 168,785.33 is: 253,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,014.30 : 652,759.29 = 168,785.33 : x
  2. Step 2: Convert to fraction form
    435,014.30/652,759.29 = 168,785.33/x
  3. Step 3: Cross multiply
    435,014.30x = 652,759.29 × 168,785.33
  4. Step 4: Simplify right side
    435,014.30x = 110,176,188,909.42
  5. Step 5: Solve for x
    x = 110,176,188,909.42/435,014.30
  6. Step 6: Final answer
    x = 253,270.27

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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.