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Finding the Fourth Proportional to 250,296.57, 375,386.49 and 117,268.65

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Solution

The fourth proportional to 250,296.57, 375,386.49 and 117,268.65 is: 175,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,296.57 : 375,386.49 = 117,268.65 : x
  2. Step 2: Convert to fraction form
    250,296.57/375,386.49 = 117,268.65/x
  3. Step 3: Cross multiply
    250,296.57x = 375,386.49 × 117,268.65
  4. Step 4: Simplify right side
    250,296.57x = 44,021,066,910.54
  5. Step 5: Solve for x
    x = 44,021,066,910.54/250,296.57
  6. Step 6: Final answer
    x = 175,875.63

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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.