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Finding the Fourth Proportional to 329,973.68, 455,364 and 179,070.68

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Solution

The fourth proportional to 329,973.68, 455,364 and 179,070.68 is: 247,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,973.68 : 455,364 = 179,070.68 : x
  2. Step 2: Convert to fraction form
    329,973.68/455,364 = 179,070.68/x
  3. Step 3: Cross multiply
    329,973.68x = 455,364 × 179,070.68
  4. Step 4: Simplify right side
    329,973.68x = 81,542,341,127.52
  5. Step 5: Solve for x
    x = 81,542,341,127.52/329,973.68
  6. Step 6: Final answer
    x = 247,117.71

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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.