Home / 225,929.28-311,749.98-135,263.52

Finding the Fourth Proportional to 225,929.28, 311,749.98 and 135,263.52

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Solution

The fourth proportional to 225,929.28, 311,749.98 and 135,263.52 is: 186,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929.28 : 311,749.98 = 135,263.52 : x
  2. Step 2: Convert to fraction form
    225,929.28/311,749.98 = 135,263.52/x
  3. Step 3: Cross multiply
    225,929.28x = 311,749.98 × 135,263.52
  4. Step 4: Simplify right side
    225,929.28x = 42,168,399,654.73
  5. Step 5: Solve for x
    x = 42,168,399,654.73/225,929.28
  6. Step 6: Final answer
    x = 186,644.24

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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.