Home / 272,019.32-375,431.20-226,625.32

Finding the Fourth Proportional to 272,019.32, 375,431.20 and 226,625.32

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Solution

The fourth proportional to 272,019.32, 375,431.20 and 226,625.32 is: 312,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,019.32 : 375,431.20 = 226,625.32 : x
  2. Step 2: Convert to fraction form
    272,019.32/375,431.20 = 226,625.32/x
  3. Step 3: Cross multiply
    272,019.32x = 375,431.20 × 226,625.32
  4. Step 4: Simplify right side
    272,019.32x = 85,082,215,837.98
  5. Step 5: Solve for x
    x = 85,082,215,837.98/272,019.32
  6. Step 6: Final answer
    x = 312,780.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.