Home / 294,490.08-406,387.38-163,667.28

Finding the Fourth Proportional to 294,490.08, 406,387.38 and 163,667.28

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Solution

The fourth proportional to 294,490.08, 406,387.38 and 163,667.28 is: 225,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,490.08 : 406,387.38 = 163,667.28 : x
  2. Step 2: Convert to fraction form
    294,490.08/406,387.38 = 163,667.28/x
  3. Step 3: Cross multiply
    294,490.08x = 406,387.38 × 163,667.28
  4. Step 4: Simplify right side
    294,490.08x = 66,512,317,110.93
  5. Step 5: Solve for x
    x = 66,512,317,110.93/294,490.08
  6. Step 6: Final answer
    x = 225,855.88

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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.