Home / 330,502.20-456,175.98-187,347.66

Finding the Fourth Proportional to 330,502.20, 456,175.98 and 187,347.66

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Solution

The fourth proportional to 330,502.20, 456,175.98 and 187,347.66 is: 258,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,502.20 : 456,175.98 = 187,347.66 : x
  2. Step 2: Convert to fraction form
    330,502.20/456,175.98 = 187,347.66/x
  3. Step 3: Cross multiply
    330,502.20x = 456,175.98 × 187,347.66
  4. Step 4: Simplify right side
    330,502.20x = 85,463,502,401.21
  5. Step 5: Solve for x
    x = 85,463,502,401.21/330,502.20
  6. Step 6: Final answer
    x = 258,586.79

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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.