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Finding the Fourth Proportional to 185,563, 278,392.04 and 60,905.08

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Solution

The fourth proportional to 185,563, 278,392.04 and 60,905.08 is: 91,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,563 : 278,392.04 = 60,905.08 : x
  2. Step 2: Convert to fraction form
    185,563/278,392.04 = 60,905.08/x
  3. Step 3: Cross multiply
    185,563x = 278,392.04 × 60,905.08
  4. Step 4: Simplify right side
    185,563x = 16,955,489,467.56
  5. Step 5: Solve for x
    x = 16,955,489,467.56/185,563
  6. Step 6: Final answer
    x = 91,373.22

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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.