Home / 262,523.20-393,331.20-121,993.60

Finding the Fourth Proportional to 262,523.20, 393,331.20 and 121,993.60

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Solution

The fourth proportional to 262,523.20, 393,331.20 and 121,993.60 is: 182,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,523.20 : 393,331.20 = 121,993.60 : x
  2. Step 2: Convert to fraction form
    262,523.20/393,331.20 = 121,993.60/x
  3. Step 3: Cross multiply
    262,523.20x = 393,331.20 × 121,993.60
  4. Step 4: Simplify right side
    262,523.20x = 47,983,889,080.32
  5. Step 5: Solve for x
    x = 47,983,889,080.32/262,523.20
  6. Step 6: Final answer
    x = 182,779.61

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1.5x scale

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.