Home / 247,208.20-370,812.30-60,219.70

Finding the Fourth Proportional to 247,208.20, 370,812.30 and 60,219.70

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Solution

The fourth proportional to 247,208.20, 370,812.30 and 60,219.70 is: 90,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,208.20 : 370,812.30 = 60,219.70 : x
  2. Step 2: Convert to fraction form
    247,208.20/370,812.30 = 60,219.70/x
  3. Step 3: Cross multiply
    247,208.20x = 370,812.30 × 60,219.70
  4. Step 4: Simplify right side
    247,208.20x = 22,330,205,462.31
  5. Step 5: Solve for x
    x = 22,330,205,462.31/247,208.20
  6. Step 6: Final answer
    x = 90,329.55

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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.