Home / 370,363.24-511,091.70-209,234.92

Finding the Fourth Proportional to 370,363.24, 511,091.70 and 209,234.92

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Solution

The fourth proportional to 370,363.24, 511,091.70 and 209,234.92 is: 288,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,363.24 : 511,091.70 = 209,234.92 : x
  2. Step 2: Convert to fraction form
    370,363.24/511,091.70 = 209,234.92/x
  3. Step 3: Cross multiply
    370,363.24x = 511,091.70 × 209,234.92
  4. Step 4: Simplify right side
    370,363.24x = 106,938,230,962.16
  5. Step 5: Solve for x
    x = 106,938,230,962.16/370,363.24
  6. Step 6: Final answer
    x = 288,738.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.