Home / 330,674.22-456,331.50-187,443.90

Finding the Fourth Proportional to 330,674.22, 456,331.50 and 187,443.90

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Solution

The fourth proportional to 330,674.22, 456,331.50 and 187,443.90 is: 258,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,674.22 : 456,331.50 = 187,443.90 : x
  2. Step 2: Convert to fraction form
    330,674.22/456,331.50 = 187,443.90/x
  3. Step 3: Cross multiply
    330,674.22x = 456,331.50 × 187,443.90
  4. Step 4: Simplify right side
    330,674.22x = 85,536,556,052.85
  5. Step 5: Solve for x
    x = 85,536,556,052.85/330,674.22
  6. Step 6: Final answer
    x = 258,673.19

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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.