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Finding the Fourth Proportional to 329,973, 455,363.04 and 179,070

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Solution

The fourth proportional to 329,973, 455,363.04 and 179,070 is: 247,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,973 : 455,363.04 = 179,070 : x
  2. Step 2: Convert to fraction form
    329,973/455,363.04 = 179,070/x
  3. Step 3: Cross multiply
    329,973x = 455,363.04 × 179,070
  4. Step 4: Simplify right side
    329,973x = 81,541,859,572.80
  5. Step 5: Solve for x
    x = 81,541,859,572.80/329,973
  6. Step 6: Final answer
    x = 247,116.76

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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.