Home / 304,947.60-420,827.88-167,125.92

Finding the Fourth Proportional to 304,947.60, 420,827.88 and 167,125.92

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Solution

The fourth proportional to 304,947.60, 420,827.88 and 167,125.92 is: 230,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,947.60 : 420,827.88 = 167,125.92 : x
  2. Step 2: Convert to fraction form
    304,947.60/420,827.88 = 167,125.92/x
  3. Step 3: Cross multiply
    304,947.60x = 420,827.88 × 167,125.92
  4. Step 4: Simplify right side
    304,947.60x = 70,331,246,606.65
  5. Step 5: Solve for x
    x = 70,331,246,606.65/304,947.60
  6. Step 6: Final answer
    x = 230,633.87

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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.