Home / 292,634.43-403,868.28-165,318.22

Finding the Fourth Proportional to 292,634.43, 403,868.28 and 165,318.22

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Solution

The fourth proportional to 292,634.43, 403,868.28 and 165,318.22 is: 228,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,634.43 : 403,868.28 = 165,318.22 : x
  2. Step 2: Convert to fraction form
    292,634.43/403,868.28 = 165,318.22/x
  3. Step 3: Cross multiply
    292,634.43x = 403,868.28 × 165,318.22
  4. Step 4: Simplify right side
    292,634.43x = 66,766,785,164.06
  5. Step 5: Solve for x
    x = 66,766,785,164.06/292,634.43
  6. Step 6: Final answer
    x = 228,157.65

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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.