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Finding the Fourth Proportional to 292,752.88, 404,006.88 and 165,425.56

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Solution

The fourth proportional to 292,752.88, 404,006.88 and 165,425.56 is: 228,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,752.88 : 404,006.88 = 165,425.56 : x
  2. Step 2: Convert to fraction form
    292,752.88/404,006.88 = 165,425.56/x
  3. Step 3: Cross multiply
    292,752.88x = 404,006.88 × 165,425.56
  4. Step 4: Simplify right side
    292,752.88x = 66,833,064,367.85
  5. Step 5: Solve for x
    x = 66,833,064,367.85/292,752.88
  6. Step 6: Final answer
    x = 228,291.74

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1.5x scale

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.