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Finding the Fourth Proportional to 292,902.76, 404,223.24 and 165,590.20

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Solution

The fourth proportional to 292,902.76, 404,223.24 and 165,590.20 is: 228,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,902.76 : 404,223.24 = 165,590.20 : x
  2. Step 2: Convert to fraction form
    292,902.76/404,223.24 = 165,590.20/x
  3. Step 3: Cross multiply
    292,902.76x = 404,223.24 × 165,590.20
  4. Step 4: Simplify right side
    292,902.76x = 66,935,407,156.25
  5. Step 5: Solve for x
    x = 66,935,407,156.25/292,902.76
  6. Step 6: Final answer
    x = 228,524.33

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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.