Home / 251,019.72-346,409.10-143,583.12

Finding the Fourth Proportional to 251,019.72, 346,409.10 and 143,583.12

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Solution

The fourth proportional to 251,019.72, 346,409.10 and 143,583.12 is: 198,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,019.72 : 346,409.10 = 143,583.12 : x
  2. Step 2: Convert to fraction form
    251,019.72/346,409.10 = 143,583.12/x
  3. Step 3: Cross multiply
    251,019.72x = 346,409.10 × 143,583.12
  4. Step 4: Simplify right side
    251,019.72x = 49,738,499,374.39
  5. Step 5: Solve for x
    x = 49,738,499,374.39/251,019.72
  6. Step 6: Final answer
    x = 198,145.78

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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.