Home / 330,401.08-455,938.82-187,158.24

Finding the Fourth Proportional to 330,401.08, 455,938.82 and 187,158.24

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Solution

The fourth proportional to 330,401.08, 455,938.82 and 187,158.24 is: 258,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,401.08 : 455,938.82 = 187,158.24 : x
  2. Step 2: Convert to fraction form
    330,401.08/455,938.82 = 187,158.24/x
  3. Step 3: Cross multiply
    330,401.08x = 455,938.82 × 187,158.24
  4. Step 4: Simplify right side
    330,401.08x = 85,332,707,098.88
  5. Step 5: Solve for x
    x = 85,332,707,098.88/330,401.08
  6. Step 6: Final answer
    x = 258,270.06

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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.