Home / 330,499.20-456,171.84-187,344.66

Finding the Fourth Proportional to 330,499.20, 456,171.84 and 187,344.66

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Solution

The fourth proportional to 330,499.20, 456,171.84 and 187,344.66 is: 258,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,499.20 : 456,171.84 = 187,344.66 : x
  2. Step 2: Convert to fraction form
    330,499.20/456,171.84 = 187,344.66/x
  3. Step 3: Cross multiply
    330,499.20x = 456,171.84 × 187,344.66
  4. Step 4: Simplify right side
    330,499.20x = 85,461,358,266.37
  5. Step 5: Solve for x
    x = 85,461,358,266.37/330,499.20
  6. Step 6: Final answer
    x = 258,582.65

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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.