Home / 331,811.40-497,717.10-205,552.20

Finding the Fourth Proportional to 331,811.40, 497,717.10 and 205,552.20

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Solution

The fourth proportional to 331,811.40, 497,717.10 and 205,552.20 is: 308,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,811.40 : 497,717.10 = 205,552.20 : x
  2. Step 2: Convert to fraction form
    331,811.40/497,717.10 = 205,552.20/x
  3. Step 3: Cross multiply
    331,811.40x = 497,717.10 × 205,552.20
  4. Step 4: Simplify right side
    331,811.40x = 102,306,844,882.62
  5. Step 5: Solve for x
    x = 102,306,844,882.62/331,811.40
  6. Step 6: Final answer
    x = 308,328.30

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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.