Home / 374,220.80-561,331.20-224,921.60

Finding the Fourth Proportional to 374,220.80, 561,331.20 and 224,921.60

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Solution

The fourth proportional to 374,220.80, 561,331.20 and 224,921.60 is: 337,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220.80 : 561,331.20 = 224,921.60 : x
  2. Step 2: Convert to fraction form
    374,220.80/561,331.20 = 224,921.60/x
  3. Step 3: Cross multiply
    374,220.80x = 561,331.20 × 224,921.60
  4. Step 4: Simplify right side
    374,220.80x = 126,255,511,633.92
  5. Step 5: Solve for x
    x = 126,255,511,633.92/374,220.80
  6. Step 6: Final answer
    x = 337,382.40

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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.