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Finding the Fourth Proportional to 658,045.20, 987,067.80 and 184,810.80

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Solution

The fourth proportional to 658,045.20, 987,067.80 and 184,810.80 is: 277,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,045.20 : 987,067.80 = 184,810.80 : x
  2. Step 2: Convert to fraction form
    658,045.20/987,067.80 = 184,810.80/x
  3. Step 3: Cross multiply
    658,045.20x = 987,067.80 × 184,810.80
  4. Step 4: Simplify right side
    658,045.20x = 182,420,789,772.24
  5. Step 5: Solve for x
    x = 182,420,789,772.24/658,045.20
  6. Step 6: Final answer
    x = 277,216.20

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1.5x scale

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.