Home / 247,200.45-370,964.70-140,584.20

Finding the Fourth Proportional to 247,200.45, 370,964.70 and 140,584.20

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Solution

The fourth proportional to 247,200.45, 370,964.70 and 140,584.20 is: 210,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,200.45 : 370,964.70 = 140,584.20 : x
  2. Step 2: Convert to fraction form
    247,200.45/370,964.70 = 140,584.20/x
  3. Step 3: Cross multiply
    247,200.45x = 370,964.70 × 140,584.20
  4. Step 4: Simplify right side
    247,200.45x = 52,151,775,577.74
  5. Step 5: Solve for x
    x = 52,151,775,577.74/247,200.45
  6. Step 6: Final answer
    x = 210,969.58

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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.