Home / 663,615.17-995,426.40-164,979.17

Finding the Fourth Proportional to 663,615.17, 995,426.40 and 164,979.17

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Solution

The fourth proportional to 663,615.17, 995,426.40 and 164,979.17 is: 247,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,615.17 : 995,426.40 = 164,979.17 : x
  2. Step 2: Convert to fraction form
    663,615.17/995,426.40 = 164,979.17/x
  3. Step 3: Cross multiply
    663,615.17x = 995,426.40 × 164,979.17
  4. Step 4: Simplify right side
    663,615.17x = 164,224,621,268.09
  5. Step 5: Solve for x
    x = 164,224,621,268.09/663,615.17
  6. Step 6: Final answer
    x = 247,469.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.