Home / 331,177.20-496,830.60-141,637.20

Finding the Fourth Proportional to 331,177.20, 496,830.60 and 141,637.20

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Solution

The fourth proportional to 331,177.20, 496,830.60 and 141,637.20 is: 212,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,177.20 : 496,830.60 = 141,637.20 : x
  2. Step 2: Convert to fraction form
    331,177.20/496,830.60 = 141,637.20/x
  3. Step 3: Cross multiply
    331,177.20x = 496,830.60 × 141,637.20
  4. Step 4: Simplify right side
    331,177.20x = 70,369,695,058.32
  5. Step 5: Solve for x
    x = 70,369,695,058.32/331,177.20
  6. Step 6: Final answer
    x = 212,483.51

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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.