Home / 247,977.90-372,744.45-243,312.30

Finding the Fourth Proportional to 247,977.90, 372,744.45 and 243,312.30

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Solution

The fourth proportional to 247,977.90, 372,744.45 and 243,312.30 is: 365,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,977.90 : 372,744.45 = 243,312.30 : x
  2. Step 2: Convert to fraction form
    247,977.90/372,744.45 = 243,312.30/x
  3. Step 3: Cross multiply
    247,977.90x = 372,744.45 × 243,312.30
  4. Step 4: Simplify right side
    247,977.90x = 90,693,309,441.74
  5. Step 5: Solve for x
    x = 90,693,309,441.74/247,977.90
  6. Step 6: Final answer
    x = 365,731.42

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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.