Home / 253,818.20-350,231.28-157,119.32

Finding the Fourth Proportional to 253,818.20, 350,231.28 and 157,119.32

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Solution

The fourth proportional to 253,818.20, 350,231.28 and 157,119.32 is: 216,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,818.20 : 350,231.28 = 157,119.32 : x
  2. Step 2: Convert to fraction form
    253,818.20/350,231.28 = 157,119.32/x
  3. Step 3: Cross multiply
    253,818.20x = 350,231.28 × 157,119.32
  4. Step 4: Simplify right side
    253,818.20x = 55,028,100,842.71
  5. Step 5: Solve for x
    x = 55,028,100,842.71/253,818.20
  6. Step 6: Final answer
    x = 216,801.24

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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.