Home / 324,130.86-447,323.04-180,918.90

Finding the Fourth Proportional to 324,130.86, 447,323.04 and 180,918.90

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Solution

The fourth proportional to 324,130.86, 447,323.04 and 180,918.90 is: 249,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,130.86 : 447,323.04 = 180,918.90 : x
  2. Step 2: Convert to fraction form
    324,130.86/447,323.04 = 180,918.90/x
  3. Step 3: Cross multiply
    324,130.86x = 447,323.04 × 180,918.90
  4. Step 4: Simplify right side
    324,130.86x = 80,929,192,341.46
  5. Step 5: Solve for x
    x = 80,929,192,341.46/324,130.86
  6. Step 6: Final answer
    x = 249,680.61

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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.