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Finding the Fourth Proportional to 333,589.01, 500,384.68 and 80,868.47

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Solution

The fourth proportional to 333,589.01, 500,384.68 and 80,868.47 is: 121,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,589.01 : 500,384.68 = 80,868.47 : x
  2. Step 2: Convert to fraction form
    333,589.01/500,384.68 = 80,868.47/x
  3. Step 3: Cross multiply
    333,589.01x = 500,384.68 × 80,868.47
  4. Step 4: Simplify right side
    333,589.01x = 40,465,340,778.95
  5. Step 5: Solve for x
    x = 40,465,340,778.95/333,589.01
  6. Step 6: Final answer
    x = 121,302.98

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1.5x scale

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.