Home / 331,981.60-497,972.40-95,303.20

Finding the Fourth Proportional to 331,981.60, 497,972.40 and 95,303.20

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Solution

The fourth proportional to 331,981.60, 497,972.40 and 95,303.20 is: 142,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,981.60 : 497,972.40 = 95,303.20 : x
  2. Step 2: Convert to fraction form
    331,981.60/497,972.40 = 95,303.20/x
  3. Step 3: Cross multiply
    331,981.60x = 497,972.40 × 95,303.20
  4. Step 4: Simplify right side
    331,981.60x = 47,458,363,231.68
  5. Step 5: Solve for x
    x = 47,458,363,231.68/331,981.60
  6. Step 6: Final answer
    x = 142,954.80

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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.