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Finding the Fourth Proportional to 249,034.77, 343,664.78 and 135,850.23

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Solution

The fourth proportional to 249,034.77, 343,664.78 and 135,850.23 is: 187,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,034.77 : 343,664.78 = 135,850.23 : x
  2. Step 2: Convert to fraction form
    249,034.77/343,664.78 = 135,850.23/x
  3. Step 3: Cross multiply
    249,034.77x = 343,664.78 × 135,850.23
  4. Step 4: Simplify right side
    249,034.77x = 46,686,938,726.65
  5. Step 5: Solve for x
    x = 46,686,938,726.65/249,034.77
  6. Step 6: Final answer
    x = 187,471.57

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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.