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Finding the Fourth Proportional to 252,073.64, 347,886.14 and 188,300.72

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Solution

The fourth proportional to 252,073.64, 347,886.14 and 188,300.72 is: 259,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,073.64 : 347,886.14 = 188,300.72 : x
  2. Step 2: Convert to fraction form
    252,073.64/347,886.14 = 188,300.72/x
  3. Step 3: Cross multiply
    252,073.64x = 347,886.14 × 188,300.72
  4. Step 4: Simplify right side
    252,073.64x = 65,507,210,640.02
  5. Step 5: Solve for x
    x = 65,507,210,640.02/252,073.64
  6. Step 6: Final answer
    x = 259,873.31

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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.