Home / 324,221.52-447,426-180,981.36

Finding the Fourth Proportional to 324,221.52, 447,426 and 180,981.36

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Solution

The fourth proportional to 324,221.52, 447,426 and 180,981.36 is: 249,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,221.52 : 447,426 = 180,981.36 : x
  2. Step 2: Convert to fraction form
    324,221.52/447,426 = 180,981.36/x
  3. Step 3: Cross multiply
    324,221.52x = 447,426 × 180,981.36
  4. Step 4: Simplify right side
    324,221.52x = 80,975,765,979.36
  5. Step 5: Solve for x
    x = 80,975,765,979.36/324,221.52
  6. Step 6: Final answer
    x = 249,754.45

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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.