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Finding the Fourth Proportional to 360,820.20, 541,230.30 and 150,430.80

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Solution

The fourth proportional to 360,820.20, 541,230.30 and 150,430.80 is: 225,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,820.20 : 541,230.30 = 150,430.80 : x
  2. Step 2: Convert to fraction form
    360,820.20/541,230.30 = 150,430.80/x
  3. Step 3: Cross multiply
    360,820.20x = 541,230.30 × 150,430.80
  4. Step 4: Simplify right side
    360,820.20x = 81,417,707,013.24
  5. Step 5: Solve for x
    x = 81,417,707,013.24/360,820.20
  6. Step 6: Final answer
    x = 225,646.20

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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.