Home / 324,139.98-447,344.27-180,913.35

Finding the Fourth Proportional to 324,139.98, 447,344.27 and 180,913.35

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Solution

The fourth proportional to 324,139.98, 447,344.27 and 180,913.35 is: 249,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,139.98 : 447,344.27 = 180,913.35 : x
  2. Step 2: Convert to fraction form
    324,139.98/447,344.27 = 180,913.35/x
  3. Step 3: Cross multiply
    324,139.98x = 447,344.27 × 180,913.35
  4. Step 4: Simplify right side
    324,139.98x = 80,930,550,489.00
  5. Step 5: Solve for x
    x = 80,930,550,489.00/324,139.98
  6. Step 6: Final answer
    x = 249,677.78

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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.