Home / 318,259.13-439,073.30-182,220.38

Finding the Fourth Proportional to 318,259.13, 439,073.30 and 182,220.38

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Solution

The fourth proportional to 318,259.13, 439,073.30 and 182,220.38 is: 251,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,259.13 : 439,073.30 = 182,220.38 : x
  2. Step 2: Convert to fraction form
    318,259.13/439,073.30 = 182,220.38/x
  3. Step 3: Cross multiply
    318,259.13x = 439,073.30 × 182,220.38
  4. Step 4: Simplify right side
    318,259.13x = 80,008,100,467.39
  5. Step 5: Solve for x
    x = 80,008,100,467.39/318,259.13
  6. Step 6: Final answer
    x = 251,392.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.