Home / 272,637.38-408,624.50-145,966.34

Finding the Fourth Proportional to 272,637.38, 408,624.50 and 145,966.34

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Solution

The fourth proportional to 272,637.38, 408,624.50 and 145,966.34 is: 218,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,637.38 : 408,624.50 = 145,966.34 : x
  2. Step 2: Convert to fraction form
    272,637.38/408,624.50 = 145,966.34/x
  3. Step 3: Cross multiply
    272,637.38x = 408,624.50 × 145,966.34
  4. Step 4: Simplify right side
    272,637.38x = 59,645,422,699.33
  5. Step 5: Solve for x
    x = 59,645,422,699.33/272,637.38
  6. Step 6: Final answer
    x = 218,771.99

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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.