Home / 248,014.88-372,080.64-77,228.72

Finding the Fourth Proportional to 248,014.88, 372,080.64 and 77,228.72

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Solution

The fourth proportional to 248,014.88, 372,080.64 and 77,228.72 is: 115,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,014.88 : 372,080.64 = 77,228.72 : x
  2. Step 2: Convert to fraction form
    248,014.88/372,080.64 = 77,228.72/x
  3. Step 3: Cross multiply
    248,014.88x = 372,080.64 × 77,228.72
  4. Step 4: Simplify right side
    248,014.88x = 28,735,311,563.98
  5. Step 5: Solve for x
    x = 28,735,311,563.98/248,014.88
  6. Step 6: Final answer
    x = 115,861.24

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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.