Home / 658,046.20-987,069.30-184,811.80

Finding the Fourth Proportional to 658,046.20, 987,069.30 and 184,811.80

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Solution

The fourth proportional to 658,046.20, 987,069.30 and 184,811.80 is: 277,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,046.20 : 987,069.30 = 184,811.80 : x
  2. Step 2: Convert to fraction form
    658,046.20/987,069.30 = 184,811.80/x
  3. Step 3: Cross multiply
    658,046.20x = 987,069.30 × 184,811.80
  4. Step 4: Simplify right side
    658,046.20x = 182,422,054,057.74
  5. Step 5: Solve for x
    x = 182,422,054,057.74/658,046.20
  6. Step 6: Final answer
    x = 277,217.70

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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.