Home / 329,974.08-455,364-179,070.72

Finding the Fourth Proportional to 329,974.08, 455,364 and 179,070.72

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Solution

The fourth proportional to 329,974.08, 455,364 and 179,070.72 is: 247,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,974.08 : 455,364 = 179,070.72 : x
  2. Step 2: Convert to fraction form
    329,974.08/455,364 = 179,070.72/x
  3. Step 3: Cross multiply
    329,974.08x = 455,364 × 179,070.72
  4. Step 4: Simplify right side
    329,974.08x = 81,542,359,342.08
  5. Step 5: Solve for x
    x = 81,542,359,342.08/329,974.08
  6. Step 6: Final answer
    x = 247,117.47

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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.