Home / 291,234.24-401,872.32-163,907.64

Finding the Fourth Proportional to 291,234.24, 401,872.32 and 163,907.64

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Solution

The fourth proportional to 291,234.24, 401,872.32 and 163,907.64 is: 226,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,234.24 : 401,872.32 = 163,907.64 : x
  2. Step 2: Convert to fraction form
    291,234.24/401,872.32 = 163,907.64/x
  3. Step 3: Cross multiply
    291,234.24x = 401,872.32 × 163,907.64
  4. Step 4: Simplify right side
    291,234.24x = 65,869,943,552.52
  5. Step 5: Solve for x
    x = 65,869,943,552.52/291,234.24
  6. Step 6: Final answer
    x = 226,175.14

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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.