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Finding the Fourth Proportional to 505,417.73, 757,873.02 and 168,339.83

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Solution

The fourth proportional to 505,417.73, 757,873.02 and 168,339.83 is: 252,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,417.73 : 757,873.02 = 168,339.83 : x
  2. Step 2: Convert to fraction form
    505,417.73/757,873.02 = 168,339.83/x
  3. Step 3: Cross multiply
    505,417.73x = 757,873.02 × 168,339.83
  4. Step 4: Simplify right side
    505,417.73x = 127,580,215,348.39
  5. Step 5: Solve for x
    x = 127,580,215,348.39/505,417.73
  6. Step 6: Final answer
    x = 252,425.29

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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.