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Finding the Fourth Proportional to 235,610.00, 325,208.65 and 138,870.08

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Solution

The fourth proportional to 235,610.00, 325,208.65 and 138,870.08 is: 191,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,610.00 : 325,208.65 = 138,870.08 : x
  2. Step 2: Convert to fraction form
    235,610.00/325,208.65 = 138,870.08/x
  3. Step 3: Cross multiply
    235,610.00x = 325,208.65 × 138,870.08
  4. Step 4: Simplify right side
    235,610.00x = 45,161,749,268.97
  5. Step 5: Solve for x
    x = 45,161,749,268.97/235,610.00
  6. Step 6: Final answer
    x = 191,680.11

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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.