Home / 331,641.20-497,464.14-141,941.72

Finding the Fourth Proportional to 331,641.20, 497,464.14 and 141,941.72

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Solution

The fourth proportional to 331,641.20, 497,464.14 and 141,941.72 is: 212,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,641.20 : 497,464.14 = 141,941.72 : x
  2. Step 2: Convert to fraction form
    331,641.20/497,464.14 = 141,941.72/x
  3. Step 3: Cross multiply
    331,641.20x = 497,464.14 × 141,941.72
  4. Step 4: Simplify right side
    331,641.20x = 70,610,915,669.92
  5. Step 5: Solve for x
    x = 70,610,915,669.92/331,641.20
  6. Step 6: Final answer
    x = 212,913.58

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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.