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Finding the Fourth Proportional to 333,263.57, 499,799.84 and 108,643.61

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Solution

The fourth proportional to 333,263.57, 499,799.84 and 108,643.61 is: 162,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,263.57 : 499,799.84 = 108,643.61 : x
  2. Step 2: Convert to fraction form
    333,263.57/499,799.84 = 108,643.61/x
  3. Step 3: Cross multiply
    333,263.57x = 499,799.84 × 108,643.61
  4. Step 4: Simplify right side
    333,263.57x = 54,300,059,601.30
  5. Step 5: Solve for x
    x = 54,300,059,601.30/333,263.57
  6. Step 6: Final answer
    x = 162,934.28

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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.