Home / 331,320.10-496,980.15-120,964.90

Finding the Fourth Proportional to 331,320.10, 496,980.15 and 120,964.90

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Solution

The fourth proportional to 331,320.10, 496,980.15 and 120,964.90 is: 181,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,320.10 : 496,980.15 = 120,964.90 : x
  2. Step 2: Convert to fraction form
    331,320.10/496,980.15 = 120,964.90/x
  3. Step 3: Cross multiply
    331,320.10x = 496,980.15 × 120,964.90
  4. Step 4: Simplify right side
    331,320.10x = 60,117,154,146.74
  5. Step 5: Solve for x
    x = 60,117,154,146.74/331,320.10
  6. Step 6: Final answer
    x = 181,447.35

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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.