Home / 500,069.96-690,091.14-270,622.16

Finding the Fourth Proportional to 500,069.96, 690,091.14 and 270,622.16

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Solution

The fourth proportional to 500,069.96, 690,091.14 and 270,622.16 is: 373,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,069.96 : 690,091.14 = 270,622.16 : x
  2. Step 2: Convert to fraction form
    500,069.96/690,091.14 = 270,622.16/x
  3. Step 3: Cross multiply
    500,069.96x = 690,091.14 × 270,622.16
  4. Step 4: Simplify right side
    500,069.96x = 186,753,951,453.21
  5. Step 5: Solve for x
    x = 186,753,951,453.21/500,069.96
  6. Step 6: Final answer
    x = 373,455.65

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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.