Home / 330,216.50-455,700.56-187,004.45

Finding the Fourth Proportional to 330,216.50, 455,700.56 and 187,004.45

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Solution

The fourth proportional to 330,216.50, 455,700.56 and 187,004.45 is: 258,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,216.50 : 455,700.56 = 187,004.45 : x
  2. Step 2: Convert to fraction form
    330,216.50/455,700.56 = 187,004.45/x
  3. Step 3: Cross multiply
    330,216.50x = 455,700.56 × 187,004.45
  4. Step 4: Simplify right side
    330,216.50x = 85,218,032,587.49
  5. Step 5: Solve for x
    x = 85,218,032,587.49/330,216.50
  6. Step 6: Final answer
    x = 258,067.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.