Home / 330,670.02-456,360.30-187,414.68

Finding the Fourth Proportional to 330,670.02, 456,360.30 and 187,414.68

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Solution

The fourth proportional to 330,670.02, 456,360.30 and 187,414.68 is: 258,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,670.02 : 456,360.30 = 187,414.68 : x
  2. Step 2: Convert to fraction form
    330,670.02/456,360.30 = 187,414.68/x
  3. Step 3: Cross multiply
    330,670.02x = 456,360.30 × 187,414.68
  4. Step 4: Simplify right side
    330,670.02x = 85,528,619,589.20
  5. Step 5: Solve for x
    x = 85,528,619,589.20/330,670.02
  6. Step 6: Final answer
    x = 258,652.48

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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.