Home / 331,661.26-497,336.34-121,151.98

Finding the Fourth Proportional to 331,661.26, 497,336.34 and 121,151.98

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Solution

The fourth proportional to 331,661.26, 497,336.34 and 121,151.98 is: 181,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,661.26 : 497,336.34 = 121,151.98 : x
  2. Step 2: Convert to fraction form
    331,661.26/497,336.34 = 121,151.98/x
  3. Step 3: Cross multiply
    331,661.26x = 497,336.34 × 121,151.98
  4. Step 4: Simplify right side
    331,661.26x = 60,253,282,316.95
  5. Step 5: Solve for x
    x = 60,253,282,316.95/331,661.26
  6. Step 6: Final answer
    x = 181,671.15

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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.