Home / 394,890.30-592,162.65-158,154.30

Finding the Fourth Proportional to 394,890.30, 592,162.65 and 158,154.30

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Solution

The fourth proportional to 394,890.30, 592,162.65 and 158,154.30 is: 237,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,890.30 : 592,162.65 = 158,154.30 : x
  2. Step 2: Convert to fraction form
    394,890.30/592,162.65 = 158,154.30/x
  3. Step 3: Cross multiply
    394,890.30x = 592,162.65 × 158,154.30
  4. Step 4: Simplify right side
    394,890.30x = 93,653,069,396.90
  5. Step 5: Solve for x
    x = 93,653,069,396.90/394,890.30
  6. Step 6: Final answer
    x = 237,162.24

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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.