Home / 288,049.20-432,004.68-147,735.60

Finding the Fourth Proportional to 288,049.20, 432,004.68 and 147,735.60

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Solution

The fourth proportional to 288,049.20, 432,004.68 and 147,735.60 is: 221,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,049.20 : 432,004.68 = 147,735.60 : x
  2. Step 2: Convert to fraction form
    288,049.20/432,004.68 = 147,735.60/x
  3. Step 3: Cross multiply
    288,049.20x = 432,004.68 × 147,735.60
  4. Step 4: Simplify right side
    288,049.20x = 63,822,470,602.61
  5. Step 5: Solve for x
    x = 63,822,470,602.61/288,049.20
  6. Step 6: Final answer
    x = 221,567.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.