Home / 615,301.83-922,947.28-215,849.03

Finding the Fourth Proportional to 615,301.83, 922,947.28 and 215,849.03

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Solution

The fourth proportional to 615,301.83, 922,947.28 and 215,849.03 is: 323,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,301.83 : 922,947.28 = 215,849.03 : x
  2. Step 2: Convert to fraction form
    615,301.83/922,947.28 = 215,849.03/x
  3. Step 3: Cross multiply
    615,301.83x = 922,947.28 × 215,849.03
  4. Step 4: Simplify right side
    615,301.83x = 199,217,269,974.78
  5. Step 5: Solve for x
    x = 199,217,269,974.78/615,301.83
  6. Step 6: Final answer
    x = 323,771.62

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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.