Home / 331,229.10-496,870.65-141,690.90

Finding the Fourth Proportional to 331,229.10, 496,870.65 and 141,690.90

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Solution

The fourth proportional to 331,229.10, 496,870.65 and 141,690.90 is: 212,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,229.10 : 496,870.65 = 141,690.90 : x
  2. Step 2: Convert to fraction form
    331,229.10/496,870.65 = 141,690.90/x
  3. Step 3: Cross multiply
    331,229.10x = 496,870.65 × 141,690.90
  4. Step 4: Simplify right side
    331,229.10x = 70,402,049,582.09
  5. Step 5: Solve for x
    x = 70,402,049,582.09/331,229.10
  6. Step 6: Final answer
    x = 212,547.90

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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.