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Finding the Fourth Proportional to 318,557, 439,619.01 and 182,616.71

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Solution

The fourth proportional to 318,557, 439,619.01 and 182,616.71 is: 252,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,557 : 439,619.01 = 182,616.71 : x
  2. Step 2: Convert to fraction form
    318,557/439,619.01 = 182,616.71/x
  3. Step 3: Cross multiply
    318,557x = 439,619.01 × 182,616.71
  4. Step 4: Simplify right side
    318,557x = 80,281,777,259.66
  5. Step 5: Solve for x
    x = 80,281,777,259.66/318,557
  6. Step 6: Final answer
    x = 252,016.99

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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.