Home / 248,820.80-373,231.20-143,585.60

Finding the Fourth Proportional to 248,820.80, 373,231.20 and 143,585.60

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Solution

The fourth proportional to 248,820.80, 373,231.20 and 143,585.60 is: 215,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,820.80 : 373,231.20 = 143,585.60 : x
  2. Step 2: Convert to fraction form
    248,820.80/373,231.20 = 143,585.60/x
  3. Step 3: Cross multiply
    248,820.80x = 373,231.20 × 143,585.60
  4. Step 4: Simplify right side
    248,820.80x = 53,590,625,790.72
  5. Step 5: Solve for x
    x = 53,590,625,790.72/248,820.80
  6. Step 6: Final answer
    x = 215,378.40

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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.