Home / 302,310.20-453,465.30-91,947.80

Finding the Fourth Proportional to 302,310.20, 453,465.30 and 91,947.80

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Solution

The fourth proportional to 302,310.20, 453,465.30 and 91,947.80 is: 137,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,310.20 : 453,465.30 = 91,947.80 : x
  2. Step 2: Convert to fraction form
    302,310.20/453,465.30 = 91,947.80/x
  3. Step 3: Cross multiply
    302,310.20x = 453,465.30 × 91,947.80
  4. Step 4: Simplify right side
    302,310.20x = 41,695,136,711.34
  5. Step 5: Solve for x
    x = 41,695,136,711.34/302,310.20
  6. Step 6: Final answer
    x = 137,921.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.