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Finding the Fourth Proportional to 185,794.31, 278,690.32 and 52,674.58

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Solution

The fourth proportional to 185,794.31, 278,690.32 and 52,674.58 is: 79,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,794.31 : 278,690.32 = 52,674.58 : x
  2. Step 2: Convert to fraction form
    185,794.31/278,690.32 = 52,674.58/x
  3. Step 3: Cross multiply
    185,794.31x = 278,690.32 × 52,674.58
  4. Step 4: Simplify right side
    185,794.31x = 14,679,895,186.46
  5. Step 5: Solve for x
    x = 14,679,895,186.46/185,794.31
  6. Step 6: Final answer
    x = 79,011.54

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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.