Home / 331,479.90-497,291.85-121,117.50

Finding the Fourth Proportional to 331,479.90, 497,291.85 and 121,117.50

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Solution

The fourth proportional to 331,479.90, 497,291.85 and 121,117.50 is: 181,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,479.90 : 497,291.85 = 121,117.50 : x
  2. Step 2: Convert to fraction form
    331,479.90/497,291.85 = 121,117.50/x
  3. Step 3: Cross multiply
    331,479.90x = 497,291.85 × 121,117.50
  4. Step 4: Simplify right side
    331,479.90x = 60,230,745,642.38
  5. Step 5: Solve for x
    x = 60,230,745,642.38/331,479.90
  6. Step 6: Final answer
    x = 181,702.56

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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.