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Finding the Fourth Proportional to 557,679.90, 836,522.64 and 136,955.82

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Solution

The fourth proportional to 557,679.90, 836,522.64 and 136,955.82 is: 205,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,679.90 : 836,522.64 = 136,955.82 : x
  2. Step 2: Convert to fraction form
    557,679.90/836,522.64 = 136,955.82/x
  3. Step 3: Cross multiply
    557,679.90x = 836,522.64 × 136,955.82
  4. Step 4: Simplify right side
    557,679.90x = 114,566,644,109.77
  5. Step 5: Solve for x
    x = 114,566,644,109.77/557,679.90
  6. Step 6: Final answer
    x = 205,434.42

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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.