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Finding the Fourth Proportional to 360,041.20, 540,061.80 and 110,723.20

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Solution

The fourth proportional to 360,041.20, 540,061.80 and 110,723.20 is: 166,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,041.20 : 540,061.80 = 110,723.20 : x
  2. Step 2: Convert to fraction form
    360,041.20/540,061.80 = 110,723.20/x
  3. Step 3: Cross multiply
    360,041.20x = 540,061.80 × 110,723.20
  4. Step 4: Simplify right side
    360,041.20x = 59,797,370,693.76
  5. Step 5: Solve for x
    x = 59,797,370,693.76/360,041.20
  6. Step 6: Final answer
    x = 166,084.80

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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.