Home / 344,952.12-517,514.30-120,315.78

Finding the Fourth Proportional to 344,952.12, 517,514.30 and 120,315.78

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Solution

The fourth proportional to 344,952.12, 517,514.30 and 120,315.78 is: 180,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,952.12 : 517,514.30 = 120,315.78 : x
  2. Step 2: Convert to fraction form
    344,952.12/517,514.30 = 120,315.78/x
  3. Step 3: Cross multiply
    344,952.12x = 517,514.30 × 120,315.78
  4. Step 4: Simplify right side
    344,952.12x = 62,265,136,064.08
  5. Step 5: Solve for x
    x = 62,265,136,064.08/344,952.12
  6. Step 6: Final answer
    x = 180,503.71

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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.