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Finding the Fourth Proportional to 185,295.12, 277,940.68 and 45,053.88

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Solution

The fourth proportional to 185,295.12, 277,940.68 and 45,053.88 is: 67,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,295.12 : 277,940.68 = 45,053.88 : x
  2. Step 2: Convert to fraction form
    185,295.12/277,940.68 = 45,053.88/x
  3. Step 3: Cross multiply
    185,295.12x = 277,940.68 × 45,053.88
  4. Step 4: Simplify right side
    185,295.12x = 12,522,306,043.84
  5. Step 5: Solve for x
    x = 12,522,306,043.84/185,295.12
  6. Step 6: Final answer
    x = 67,580.33

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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.