Home / 248,865.60-343,432.80-141,427.20

Finding the Fourth Proportional to 248,865.60, 343,432.80 and 141,427.20

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Solution

The fourth proportional to 248,865.60, 343,432.80 and 141,427.20 is: 195,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,865.60 : 343,432.80 = 141,427.20 : x
  2. Step 2: Convert to fraction form
    248,865.60/343,432.80 = 141,427.20/x
  3. Step 3: Cross multiply
    248,865.60x = 343,432.80 × 141,427.20
  4. Step 4: Simplify right side
    248,865.60x = 48,570,739,292.16
  5. Step 5: Solve for x
    x = 48,570,739,292.16/248,865.60
  6. Step 6: Final answer
    x = 195,168.55

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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.