Home / 330,442.95-456,010.14-187,230.27

Finding the Fourth Proportional to 330,442.95, 456,010.14 and 187,230.27

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Solution

The fourth proportional to 330,442.95, 456,010.14 and 187,230.27 is: 258,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,442.95 : 456,010.14 = 187,230.27 : x
  2. Step 2: Convert to fraction form
    330,442.95/456,010.14 = 187,230.27/x
  3. Step 3: Cross multiply
    330,442.95x = 456,010.14 × 187,230.27
  4. Step 4: Simplify right side
    330,442.95x = 85,378,901,634.94
  5. Step 5: Solve for x
    x = 85,378,901,634.94/330,442.95
  6. Step 6: Final answer
    x = 258,377.13

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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.