Home / 215,938.28-297,995.28-120,442.52

Finding the Fourth Proportional to 215,938.28, 297,995.28 and 120,442.52

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Solution

The fourth proportional to 215,938.28, 297,995.28 and 120,442.52 is: 166,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,938.28 : 297,995.28 = 120,442.52 : x
  2. Step 2: Convert to fraction form
    215,938.28/297,995.28 = 120,442.52/x
  3. Step 3: Cross multiply
    215,938.28x = 297,995.28 × 120,442.52
  4. Step 4: Simplify right side
    215,938.28x = 35,891,302,471.31
  5. Step 5: Solve for x
    x = 35,891,302,471.31/215,938.28
  6. Step 6: Final answer
    x = 166,210.93

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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.