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Finding the Fourth Proportional to 272,303.90, 375,858.51 and 181,659.64

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Solution

The fourth proportional to 272,303.90, 375,858.51 and 181,659.64 is: 250,743.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,303.90 : 375,858.51 = 181,659.64 : x
  2. Step 2: Convert to fraction form
    272,303.90/375,858.51 = 181,659.64/x
  3. Step 3: Cross multiply
    272,303.90x = 375,858.51 × 181,659.64
  4. Step 4: Simplify right side
    272,303.90x = 68,278,321,711.48
  5. Step 5: Solve for x
    x = 68,278,321,711.48/272,303.90
  6. Step 6: Final answer
    x = 250,743.09

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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.