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Finding the Fourth Proportional to 422,699.04, 633,947.88 and 169,980.12

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Solution

The fourth proportional to 422,699.04, 633,947.88 and 169,980.12 is: 254,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,699.04 : 633,947.88 = 169,980.12 : x
  2. Step 2: Convert to fraction form
    422,699.04/633,947.88 = 169,980.12/x
  3. Step 3: Cross multiply
    422,699.04x = 633,947.88 × 169,980.12
  4. Step 4: Simplify right side
    422,699.04x = 107,758,536,716.15
  5. Step 5: Solve for x
    x = 107,758,536,716.15/422,699.04
  6. Step 6: Final answer
    x = 254,929.69

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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.