Home / 319,748.20-479,248.86-240,608.04

Finding the Fourth Proportional to 319,748.20, 479,248.86 and 240,608.04

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Solution

The fourth proportional to 319,748.20, 479,248.86 and 240,608.04 is: 360,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,748.20 : 479,248.86 = 240,608.04 : x
  2. Step 2: Convert to fraction form
    319,748.20/479,248.86 = 240,608.04/x
  3. Step 3: Cross multiply
    319,748.20x = 479,248.86 × 240,608.04
  4. Step 4: Simplify right side
    319,748.20x = 115,311,128,876.83
  5. Step 5: Solve for x
    x = 115,311,128,876.83/319,748.20
  6. Step 6: Final answer
    x = 360,631.05

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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.