Home / 378,778.04-568,420.50-157,162.04

Finding the Fourth Proportional to 378,778.04, 568,420.50 and 157,162.04

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Solution

The fourth proportional to 378,778.04, 568,420.50 and 157,162.04 is: 235,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,778.04 : 568,420.50 = 157,162.04 : x
  2. Step 2: Convert to fraction form
    378,778.04/568,420.50 = 157,162.04/x
  3. Step 3: Cross multiply
    378,778.04x = 568,420.50 × 157,162.04
  4. Step 4: Simplify right side
    378,778.04x = 89,334,125,357.82
  5. Step 5: Solve for x
    x = 89,334,125,357.82/378,778.04
  6. Step 6: Final answer
    x = 235,848.22

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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.