Home / 248,679.50-372,727.05-115,278.98

Finding the Fourth Proportional to 248,679.50, 372,727.05 and 115,278.98

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Solution

The fourth proportional to 248,679.50, 372,727.05 and 115,278.98 is: 172,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,679.50 : 372,727.05 = 115,278.98 : x
  2. Step 2: Convert to fraction form
    248,679.50/372,727.05 = 115,278.98/x
  3. Step 3: Cross multiply
    248,679.50x = 372,727.05 × 115,278.98
  4. Step 4: Simplify right side
    248,679.50x = 42,967,592,278.77
  5. Step 5: Solve for x
    x = 42,967,592,278.77/248,679.50
  6. Step 6: Final answer
    x = 172,783.01

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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.