Home / 324,139.05-447,293.69-180,908.33

Finding the Fourth Proportional to 324,139.05, 447,293.69 and 180,908.33

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Solution

The fourth proportional to 324,139.05, 447,293.69 and 180,908.33 is: 249,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,139.05 : 447,293.69 = 180,908.33 : x
  2. Step 2: Convert to fraction form
    324,139.05/447,293.69 = 180,908.33/x
  3. Step 3: Cross multiply
    324,139.05x = 447,293.69 × 180,908.33
  4. Step 4: Simplify right side
    324,139.05x = 80,919,151,336.43
  5. Step 5: Solve for x
    x = 80,919,151,336.43/324,139.05
  6. Step 6: Final answer
    x = 249,643.33

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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.