Home / 330,244.26-455,727.87-187,017.90

Finding the Fourth Proportional to 330,244.26, 455,727.87 and 187,017.90

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Solution

The fourth proportional to 330,244.26, 455,727.87 and 187,017.90 is: 258,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,244.26 : 455,727.87 = 187,017.90 : x
  2. Step 2: Convert to fraction form
    330,244.26/455,727.87 = 187,017.90/x
  3. Step 3: Cross multiply
    330,244.26x = 455,727.87 × 187,017.90
  4. Step 4: Simplify right side
    330,244.26x = 85,229,269,218.87
  5. Step 5: Solve for x
    x = 85,229,269,218.87/330,244.26
  6. Step 6: Final answer
    x = 258,079.49

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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.