Home / 330,870.47-496,379.52-120,508.41

Finding the Fourth Proportional to 330,870.47, 496,379.52 and 120,508.41

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Solution

The fourth proportional to 330,870.47, 496,379.52 and 120,508.41 is: 180,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,870.47 : 496,379.52 = 120,508.41 : x
  2. Step 2: Convert to fraction form
    330,870.47/496,379.52 = 120,508.41/x
  3. Step 3: Cross multiply
    330,870.47x = 496,379.52 × 120,508.41
  4. Step 4: Simplify right side
    330,870.47x = 59,817,906,711.76
  5. Step 5: Solve for x
    x = 59,817,906,711.76/330,870.47
  6. Step 6: Final answer
    x = 180,789.50

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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.