Home / 228,437.74-315,273.45-137,842.60

Finding the Fourth Proportional to 228,437.74, 315,273.45 and 137,842.60

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Solution

The fourth proportional to 228,437.74, 315,273.45 and 137,842.60 is: 190,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,437.74 : 315,273.45 = 137,842.60 : x
  2. Step 2: Convert to fraction form
    228,437.74/315,273.45 = 137,842.60/x
  3. Step 3: Cross multiply
    228,437.74x = 315,273.45 × 137,842.60
  4. Step 4: Simplify right side
    228,437.74x = 43,458,112,058.97
  5. Step 5: Solve for x
    x = 43,458,112,058.97/228,437.74
  6. Step 6: Final answer
    x = 190,240.51

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1.5x scale

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.