Home / 331,354.13-497,031.20-82,036.13

Finding the Fourth Proportional to 331,354.13, 497,031.20 and 82,036.13

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Solution

The fourth proportional to 331,354.13, 497,031.20 and 82,036.13 is: 123,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,354.13 : 497,031.20 = 82,036.13 : x
  2. Step 2: Convert to fraction form
    331,354.13/497,031.20 = 82,036.13/x
  3. Step 3: Cross multiply
    331,354.13x = 497,031.20 × 82,036.13
  4. Step 4: Simplify right side
    331,354.13x = 40,774,516,137.26
  5. Step 5: Solve for x
    x = 40,774,516,137.26/331,354.13
  6. Step 6: Final answer
    x = 123,054.20

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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.