Home / 331,831.30-497,783.40-121,514.80

Finding the Fourth Proportional to 331,831.30, 497,783.40 and 121,514.80

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Solution

The fourth proportional to 331,831.30, 497,783.40 and 121,514.80 is: 182,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,831.30 : 497,783.40 = 121,514.80 : x
  2. Step 2: Convert to fraction form
    331,831.30/497,783.40 = 121,514.80/x
  3. Step 3: Cross multiply
    331,831.30x = 497,783.40 × 121,514.80
  4. Step 4: Simplify right side
    331,831.30x = 60,488,050,294.32
  5. Step 5: Solve for x
    x = 60,488,050,294.32/331,831.30
  6. Step 6: Final answer
    x = 182,285.55

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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.