Home / 345,934.32-518,901.48-159,102.96

Finding the Fourth Proportional to 345,934.32, 518,901.48 and 159,102.96

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Solution

The fourth proportional to 345,934.32, 518,901.48 and 159,102.96 is: 238,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,934.32 : 518,901.48 = 159,102.96 : x
  2. Step 2: Convert to fraction form
    345,934.32/518,901.48 = 159,102.96/x
  3. Step 3: Cross multiply
    345,934.32x = 518,901.48 × 159,102.96
  4. Step 4: Simplify right side
    345,934.32x = 82,558,761,416.38
  5. Step 5: Solve for x
    x = 82,558,761,416.38/345,934.32
  6. Step 6: Final answer
    x = 238,654.44

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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.