Home / 251,928.64-347,686.08-188,155.72

Finding the Fourth Proportional to 251,928.64, 347,686.08 and 188,155.72

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Solution

The fourth proportional to 251,928.64, 347,686.08 and 188,155.72 is: 259,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,928.64 : 347,686.08 = 188,155.72 : x
  2. Step 2: Convert to fraction form
    251,928.64/347,686.08 = 188,155.72/x
  3. Step 3: Cross multiply
    251,928.64x = 347,686.08 × 188,155.72
  4. Step 4: Simplify right side
    251,928.64x = 65,419,124,716.38
  5. Step 5: Solve for x
    x = 65,419,124,716.38/251,928.64
  6. Step 6: Final answer
    x = 259,673.23

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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.