Home / 324,005.50-447,140.55-180,778.06

Finding the Fourth Proportional to 324,005.50, 447,140.55 and 180,778.06

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Solution

The fourth proportional to 324,005.50, 447,140.55 and 180,778.06 is: 249,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.50 : 447,140.55 = 180,778.06 : x
  2. Step 2: Convert to fraction form
    324,005.50/447,140.55 = 180,778.06/x
  3. Step 3: Cross multiply
    324,005.50x = 447,140.55 × 180,778.06
  4. Step 4: Simplify right side
    324,005.50x = 80,833,201,176.33
  5. Step 5: Solve for x
    x = 80,833,201,176.33/324,005.50
  6. Step 6: Final answer
    x = 249,480.95

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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.