Home / 228,748.31-315,672.26-125,382.45

Finding the Fourth Proportional to 228,748.31, 315,672.26 and 125,382.45

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Solution

The fourth proportional to 228,748.31, 315,672.26 and 125,382.45 is: 173,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,748.31 : 315,672.26 = 125,382.45 : x
  2. Step 2: Convert to fraction form
    228,748.31/315,672.26 = 125,382.45/x
  3. Step 3: Cross multiply
    228,748.31x = 315,672.26 × 125,382.45
  4. Step 4: Simplify right side
    228,748.31x = 39,579,760,090.93
  5. Step 5: Solve for x
    x = 39,579,760,090.93/228,748.31
  6. Step 6: Final answer
    x = 173,027.55

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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.