Home / 248,440.80-372,632.40-70,975.20

Finding the Fourth Proportional to 248,440.80, 372,632.40 and 70,975.20

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Solution

The fourth proportional to 248,440.80, 372,632.40 and 70,975.20 is: 106,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,440.80 : 372,632.40 = 70,975.20 : x
  2. Step 2: Convert to fraction form
    248,440.80/372,632.40 = 70,975.20/x
  3. Step 3: Cross multiply
    248,440.80x = 372,632.40 × 70,975.20
  4. Step 4: Simplify right side
    248,440.80x = 26,447,659,116.48
  5. Step 5: Solve for x
    x = 26,447,659,116.48/248,440.80
  6. Step 6: Final answer
    x = 106,454.57

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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.