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Finding the Fourth Proportional to 185,395.79, 277,775.85 and 124,491.90

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Solution

The fourth proportional to 185,395.79, 277,775.85 and 124,491.90 is: 186,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,395.79 : 277,775.85 = 124,491.90 : x
  2. Step 2: Convert to fraction form
    185,395.79/277,775.85 = 124,491.90/x
  3. Step 3: Cross multiply
    185,395.79x = 277,775.85 × 124,491.90
  4. Step 4: Simplify right side
    185,395.79x = 34,580,843,340.62
  5. Step 5: Solve for x
    x = 34,580,843,340.62/185,395.79
  6. Step 6: Final answer
    x = 186,524.42

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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.