Home / 330,516.72-456,094.98-187,273.62

Finding the Fourth Proportional to 330,516.72, 456,094.98 and 187,273.62

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Solution

The fourth proportional to 330,516.72, 456,094.98 and 187,273.62 is: 258,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,516.72 : 456,094.98 = 187,273.62 : x
  2. Step 2: Convert to fraction form
    330,516.72/456,094.98 = 187,273.62/x
  3. Step 3: Cross multiply
    330,516.72x = 456,094.98 × 187,273.62
  4. Step 4: Simplify right side
    330,516.72x = 85,414,557,968.43
  5. Step 5: Solve for x
    x = 85,414,557,968.43/330,516.72
  6. Step 6: Final answer
    x = 258,427.34

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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.