Home / 330,451.98-456,005.04-187,247.22

Finding the Fourth Proportional to 330,451.98, 456,005.04 and 187,247.22

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Solution

The fourth proportional to 330,451.98, 456,005.04 and 187,247.22 is: 258,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,451.98 : 456,005.04 = 187,247.22 : x
  2. Step 2: Convert to fraction form
    330,451.98/456,005.04 = 187,247.22/x
  3. Step 3: Cross multiply
    330,451.98x = 456,005.04 × 187,247.22
  4. Step 4: Simplify right side
    330,451.98x = 85,385,676,045.99
  5. Step 5: Solve for x
    x = 85,385,676,045.99/330,451.98
  6. Step 6: Final answer
    x = 258,390.57

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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.