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Finding the Fourth Proportional to 360,002.40, 540,003.60 and 293,517.60

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Solution

The fourth proportional to 360,002.40, 540,003.60 and 293,517.60 is: 440,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,002.40 : 540,003.60 = 293,517.60 : x
  2. Step 2: Convert to fraction form
    360,002.40/540,003.60 = 293,517.60/x
  3. Step 3: Cross multiply
    360,002.40x = 540,003.60 × 293,517.60
  4. Step 4: Simplify right side
    360,002.40x = 158,500,560,663.36
  5. Step 5: Solve for x
    x = 158,500,560,663.36/360,002.40
  6. Step 6: Final answer
    x = 440,276.40

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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.