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Finding the Fourth Proportional to 247,200.70, 370,801.05 and 60,212.20

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Solution

The fourth proportional to 247,200.70, 370,801.05 and 60,212.20 is: 90,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,200.70 : 370,801.05 = 60,212.20 : x
  2. Step 2: Convert to fraction form
    247,200.70/370,801.05 = 60,212.20/x
  3. Step 3: Cross multiply
    247,200.70x = 370,801.05 × 60,212.20
  4. Step 4: Simplify right side
    247,200.70x = 22,326,746,982.81
  5. Step 5: Solve for x
    x = 22,326,746,982.81/247,200.70
  6. Step 6: Final answer
    x = 90,318.30

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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.