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Finding the Fourth Proportional to 330,179.56, 455,649.62 and 179,276.56

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Solution

The fourth proportional to 330,179.56, 455,649.62 and 179,276.56 is: 247,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,179.56 : 455,649.62 = 179,276.56 : x
  2. Step 2: Convert to fraction form
    330,179.56/455,649.62 = 179,276.56/x
  3. Step 3: Cross multiply
    330,179.56x = 455,649.62 × 179,276.56
  4. Step 4: Simplify right side
    330,179.56x = 81,687,294,403.40
  5. Step 5: Solve for x
    x = 81,687,294,403.40/330,179.56
  6. Step 6: Final answer
    x = 247,402.64

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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.