Home / 330,378.30-455,899.59-179,472.06

Finding the Fourth Proportional to 330,378.30, 455,899.59 and 179,472.06

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Solution

The fourth proportional to 330,378.30, 455,899.59 and 179,472.06 is: 247,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,378.30 : 455,899.59 = 179,472.06 : x
  2. Step 2: Convert to fraction form
    330,378.30/455,899.59 = 179,472.06/x
  3. Step 3: Cross multiply
    330,378.30x = 455,899.59 × 179,472.06
  4. Step 4: Simplify right side
    330,378.30x = 81,821,238,570.46
  5. Step 5: Solve for x
    x = 81,821,238,570.46/330,378.30
  6. Step 6: Final answer
    x = 247,659.24

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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.