Home / 330,872.20-456,603.59-187,632.25

Finding the Fourth Proportional to 330,872.20, 456,603.59 and 187,632.25

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Solution

The fourth proportional to 330,872.20, 456,603.59 and 187,632.25 is: 258,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,872.20 : 456,603.59 = 187,632.25 : x
  2. Step 2: Convert to fraction form
    330,872.20/456,603.59 = 187,632.25/x
  3. Step 3: Cross multiply
    330,872.20x = 456,603.59 × 187,632.25
  4. Step 4: Simplify right side
    330,872.20x = 85,673,558,277.35
  5. Step 5: Solve for x
    x = 85,673,558,277.35/330,872.20
  6. Step 6: Final answer
    x = 258,932.48

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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.