Home / 330,760.98-456,436.38-187,530.72

Finding the Fourth Proportional to 330,760.98, 456,436.38 and 187,530.72

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Solution

The fourth proportional to 330,760.98, 456,436.38 and 187,530.72 is: 258,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,760.98 : 456,436.38 = 187,530.72 : x
  2. Step 2: Convert to fraction form
    330,760.98/456,436.38 = 187,530.72/x
  3. Step 3: Cross multiply
    330,760.98x = 456,436.38 × 187,530.72
  4. Step 4: Simplify right side
    330,760.98x = 85,595,842,975.59
  5. Step 5: Solve for x
    x = 85,595,842,975.59/330,760.98
  6. Step 6: Final answer
    x = 258,784.59

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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.