Home / 251,384.45-346,811.83-143,896.64

Finding the Fourth Proportional to 251,384.45, 346,811.83 and 143,896.64

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Solution

The fourth proportional to 251,384.45, 346,811.83 and 143,896.64 is: 198,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,384.45 : 346,811.83 = 143,896.64 : x
  2. Step 2: Convert to fraction form
    251,384.45/346,811.83 = 143,896.64/x
  3. Step 3: Cross multiply
    251,384.45x = 346,811.83 × 143,896.64
  4. Step 4: Simplify right side
    251,384.45x = 49,905,054,955.45
  5. Step 5: Solve for x
    x = 49,905,054,955.45/251,384.45
  6. Step 6: Final answer
    x = 198,520.86

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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.