Home / 247,066.20-370,599.30-243,129.60

Finding the Fourth Proportional to 247,066.20, 370,599.30 and 243,129.60

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Solution

The fourth proportional to 247,066.20, 370,599.30 and 243,129.60 is: 364,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,066.20 : 370,599.30 = 243,129.60 : x
  2. Step 2: Convert to fraction form
    247,066.20/370,599.30 = 243,129.60/x
  3. Step 3: Cross multiply
    247,066.20x = 370,599.30 × 243,129.60
  4. Step 4: Simplify right side
    247,066.20x = 90,103,659,569.28
  5. Step 5: Solve for x
    x = 90,103,659,569.28/247,066.20
  6. Step 6: Final answer
    x = 364,694.40

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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.