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Finding the Fourth Proportional to 330,655.96, 453,333.21 and 324,677.25

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Solution

The fourth proportional to 330,655.96, 453,333.21 and 324,677.25 is: 445,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,655.96 : 453,333.21 = 324,677.25 : x
  2. Step 2: Convert to fraction form
    330,655.96/453,333.21 = 324,677.25/x
  3. Step 3: Cross multiply
    330,655.96x = 453,333.21 × 324,677.25
  4. Step 4: Simplify right side
    330,655.96x = 147,186,979,956.47
  5. Step 5: Solve for x
    x = 147,186,979,956.47/330,655.96
  6. Step 6: Final answer
    x = 445,136.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.