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Finding the Fourth Proportional to 248,012.88, 372,077.64 and 77,226.72

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Solution

The fourth proportional to 248,012.88, 372,077.64 and 77,226.72 is: 115,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,012.88 : 372,077.64 = 77,226.72 : x
  2. Step 2: Convert to fraction form
    248,012.88/372,077.64 = 77,226.72/x
  3. Step 3: Cross multiply
    248,012.88x = 372,077.64 × 77,226.72
  4. Step 4: Simplify right side
    248,012.88x = 28,734,335,722.54
  5. Step 5: Solve for x
    x = 28,734,335,722.54/248,012.88
  6. Step 6: Final answer
    x = 115,858.24

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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.