Home / 331,546.20-497,384.10-142,006.20

Finding the Fourth Proportional to 331,546.20, 497,384.10 and 142,006.20

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Solution

The fourth proportional to 331,546.20, 497,384.10 and 142,006.20 is: 213,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,546.20 : 497,384.10 = 142,006.20 : x
  2. Step 2: Convert to fraction form
    331,546.20/497,384.10 = 142,006.20/x
  3. Step 3: Cross multiply
    331,546.20x = 497,384.10 × 142,006.20
  4. Step 4: Simplify right side
    331,546.20x = 70,631,625,981.42
  5. Step 5: Solve for x
    x = 70,631,625,981.42/331,546.20
  6. Step 6: Final answer
    x = 213,037.05

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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.