Home / 248,870.72-343,433.04-141,438.88

Finding the Fourth Proportional to 248,870.72, 343,433.04 and 141,438.88

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Solution

The fourth proportional to 248,870.72, 343,433.04 and 141,438.88 is: 195,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,870.72 : 343,433.04 = 141,438.88 : x
  2. Step 2: Convert to fraction form
    248,870.72/343,433.04 = 141,438.88/x
  3. Step 3: Cross multiply
    248,870.72x = 343,433.04 × 141,438.88
  4. Step 4: Simplify right side
    248,870.72x = 48,574,784,532.60
  5. Step 5: Solve for x
    x = 48,574,784,532.60/248,870.72
  6. Step 6: Final answer
    x = 195,180.79

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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.