Home / 373,282.20-561,305.70-312,456.60

Finding the Fourth Proportional to 373,282.20, 561,305.70 and 312,456.60

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Solution

The fourth proportional to 373,282.20, 561,305.70 and 312,456.60 is: 469,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,282.20 : 561,305.70 = 312,456.60 : x
  2. Step 2: Convert to fraction form
    373,282.20/561,305.70 = 312,456.60/x
  3. Step 3: Cross multiply
    373,282.20x = 561,305.70 × 312,456.60
  4. Step 4: Simplify right side
    373,282.20x = 175,383,670,582.62
  5. Step 5: Solve for x
    x = 175,383,670,582.62/373,282.20
  6. Step 6: Final answer
    x = 469,842.04

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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.