Home / 331,569.60-497,354.40-109,924.80

Finding the Fourth Proportional to 331,569.60, 497,354.40 and 109,924.80

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Solution

The fourth proportional to 331,569.60, 497,354.40 and 109,924.80 is: 164,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.60 : 497,354.40 = 109,924.80 : x
  2. Step 2: Convert to fraction form
    331,569.60/497,354.40 = 109,924.80/x
  3. Step 3: Cross multiply
    331,569.60x = 497,354.40 × 109,924.80
  4. Step 4: Simplify right side
    331,569.60x = 54,671,582,949.12
  5. Step 5: Solve for x
    x = 54,671,582,949.12/331,569.60
  6. Step 6: Final answer
    x = 164,887.20

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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.