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Finding the Fourth Proportional to 145,296.57, 217,980.02 and 50,513.07

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Solution

The fourth proportional to 145,296.57, 217,980.02 and 50,513.07 is: 75,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,296.57 : 217,980.02 = 50,513.07 : x
  2. Step 2: Convert to fraction form
    145,296.57/217,980.02 = 50,513.07/x
  3. Step 3: Cross multiply
    145,296.57x = 217,980.02 × 50,513.07
  4. Step 4: Simplify right side
    145,296.57x = 11,010,839,756.30
  5. Step 5: Solve for x
    x = 11,010,839,756.30/145,296.57
  6. Step 6: Final answer
    x = 75,781.83

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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.