Home / 331,456.47-497,204.35-103,794.66

Finding the Fourth Proportional to 331,456.47, 497,204.35 and 103,794.66

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Solution

The fourth proportional to 331,456.47, 497,204.35 and 103,794.66 is: 155,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,456.47 : 497,204.35 = 103,794.66 : x
  2. Step 2: Convert to fraction form
    331,456.47/497,204.35 = 103,794.66/x
  3. Step 3: Cross multiply
    331,456.47x = 497,204.35 × 103,794.66
  4. Step 4: Simplify right side
    331,456.47x = 51,607,156,458.77
  5. Step 5: Solve for x
    x = 51,607,156,458.77/331,456.47
  6. Step 6: Final answer
    x = 155,698.14

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1.5x scale

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.