Home / 331,945.60-497,918.40-121,604.80

Finding the Fourth Proportional to 331,945.60, 497,918.40 and 121,604.80

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Solution

The fourth proportional to 331,945.60, 497,918.40 and 121,604.80 is: 182,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,945.60 : 497,918.40 = 121,604.80 : x
  2. Step 2: Convert to fraction form
    331,945.60/497,918.40 = 121,604.80/x
  3. Step 3: Cross multiply
    331,945.60x = 497,918.40 × 121,604.80
  4. Step 4: Simplify right side
    331,945.60x = 60,549,267,448.32
  5. Step 5: Solve for x
    x = 60,549,267,448.32/331,945.60
  6. Step 6: Final answer
    x = 182,407.20

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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.