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Finding the Fourth Proportional to 240,014.80, 360,022.20 and 145,536.40

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Solution

The fourth proportional to 240,014.80, 360,022.20 and 145,536.40 is: 218,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,014.80 : 360,022.20 = 145,536.40 : x
  2. Step 2: Convert to fraction form
    240,014.80/360,022.20 = 145,536.40/x
  3. Step 3: Cross multiply
    240,014.80x = 360,022.20 × 145,536.40
  4. Step 4: Simplify right side
    240,014.80x = 52,396,334,908.08
  5. Step 5: Solve for x
    x = 52,396,334,908.08/240,014.80
  6. Step 6: Final answer
    x = 218,304.60

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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.