Home / 288,048.20-432,003.18-147,734.60

Finding the Fourth Proportional to 288,048.20, 432,003.18 and 147,734.60

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Solution

The fourth proportional to 288,048.20, 432,003.18 and 147,734.60 is: 221,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,048.20 : 432,003.18 = 147,734.60 : x
  2. Step 2: Convert to fraction form
    288,048.20/432,003.18 = 147,734.60/x
  3. Step 3: Cross multiply
    288,048.20x = 432,003.18 × 147,734.60
  4. Step 4: Simplify right side
    288,048.20x = 63,821,816,996.03
  5. Step 5: Solve for x
    x = 63,821,816,996.03/288,048.20
  6. Step 6: Final answer
    x = 221,566.45

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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.