Home / 370,836.92-511,733.22-209,725.76

Finding the Fourth Proportional to 370,836.92, 511,733.22 and 209,725.76

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Solution

The fourth proportional to 370,836.92, 511,733.22 and 209,725.76 is: 289,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,836.92 : 511,733.22 = 209,725.76 : x
  2. Step 2: Convert to fraction form
    370,836.92/511,733.22 = 209,725.76/x
  3. Step 3: Cross multiply
    370,836.92x = 511,733.22 × 209,725.76
  4. Step 4: Simplify right side
    370,836.92x = 107,323,638,481.75
  5. Step 5: Solve for x
    x = 107,323,638,481.75/370,836.92
  6. Step 6: Final answer
    x = 289,409.26

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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.