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Finding the Fourth Proportional to 500,182.63, 690,251.93 and 270,739.87

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Solution

The fourth proportional to 500,182.63, 690,251.93 and 270,739.87 is: 373,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,182.63 : 690,251.93 = 270,739.87 : x
  2. Step 2: Convert to fraction form
    500,182.63/690,251.93 = 270,739.87/x
  3. Step 3: Cross multiply
    500,182.63x = 690,251.93 × 270,739.87
  4. Step 4: Simplify right side
    500,182.63x = 186,878,717,795.45
  5. Step 5: Solve for x
    x = 186,878,717,795.45/500,182.63
  6. Step 6: Final answer
    x = 373,620.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.