Home / 330,920.16-496,281.60-120,508.89

Finding the Fourth Proportional to 330,920.16, 496,281.60 and 120,508.89

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Solution

The fourth proportional to 330,920.16, 496,281.60 and 120,508.89 is: 180,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,920.16 : 496,281.60 = 120,508.89 : x
  2. Step 2: Convert to fraction form
    330,920.16/496,281.60 = 120,508.89/x
  3. Step 3: Cross multiply
    330,920.16x = 496,281.60 × 120,508.89
  4. Step 4: Simplify right side
    330,920.16x = 59,806,344,743.42
  5. Step 5: Solve for x
    x = 59,806,344,743.42/330,920.16
  6. Step 6: Final answer
    x = 180,727.41

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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.