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Finding the Fourth Proportional to 557,781.56, 836,522.20 and 242,164.52

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Solution

The fourth proportional to 557,781.56, 836,522.20 and 242,164.52 is: 363,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,781.56 : 836,522.20 = 242,164.52 : x
  2. Step 2: Convert to fraction form
    557,781.56/836,522.20 = 242,164.52/x
  3. Step 3: Cross multiply
    557,781.56x = 836,522.20 × 242,164.52
  4. Step 4: Simplify right side
    557,781.56x = 202,575,997,032.34
  5. Step 5: Solve for x
    x = 202,575,997,032.34/557,781.56
  6. Step 6: Final answer
    x = 363,181.60

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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.