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Finding the Fourth Proportional to 248,480.93, 372,724.63 and 70,993.73

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Solution

The fourth proportional to 248,480.93, 372,724.63 and 70,993.73 is: 106,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,480.93 : 372,724.63 = 70,993.73 : x
  2. Step 2: Convert to fraction form
    248,480.93/372,724.63 = 70,993.73/x
  3. Step 3: Cross multiply
    248,480.93x = 372,724.63 × 70,993.73
  4. Step 4: Simplify right side
    248,480.93x = 26,461,111,746.57
  5. Step 5: Solve for x
    x = 26,461,111,746.57/248,480.93
  6. Step 6: Final answer
    x = 106,491.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.