Home / 264,889.88-397,292.15-72,719.45

Finding the Fourth Proportional to 264,889.88, 397,292.15 and 72,719.45

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Solution

The fourth proportional to 264,889.88, 397,292.15 and 72,719.45 is: 109,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,889.88 : 397,292.15 = 72,719.45 : x
  2. Step 2: Convert to fraction form
    264,889.88/397,292.15 = 72,719.45/x
  3. Step 3: Cross multiply
    264,889.88x = 397,292.15 × 72,719.45
  4. Step 4: Simplify right side
    264,889.88x = 28,890,864,832.66
  5. Step 5: Solve for x
    x = 28,890,864,832.66/264,889.88
  6. Step 6: Final answer
    x = 109,067.46

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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.