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Finding the Fourth Proportional to 225,056.40, 337,622.40 and 67,300.80

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Solution

The fourth proportional to 225,056.40, 337,622.40 and 67,300.80 is: 100,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,056.40 : 337,622.40 = 67,300.80 : x
  2. Step 2: Convert to fraction form
    225,056.40/337,622.40 = 67,300.80/x
  3. Step 3: Cross multiply
    225,056.40x = 337,622.40 × 67,300.80
  4. Step 4: Simplify right side
    225,056.40x = 22,722,257,617.92
  5. Step 5: Solve for x
    x = 22,722,257,617.92/225,056.40
  6. Step 6: Final answer
    x = 100,962.50

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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.