Home / 250,927.38-346,194.72-143,421.30

Finding the Fourth Proportional to 250,927.38, 346,194.72 and 143,421.30

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Solution

The fourth proportional to 250,927.38, 346,194.72 and 143,421.30 is: 197,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,927.38 : 346,194.72 = 143,421.30 : x
  2. Step 2: Convert to fraction form
    250,927.38/346,194.72 = 143,421.30/x
  3. Step 3: Cross multiply
    250,927.38x = 346,194.72 × 143,421.30
  4. Step 4: Simplify right side
    250,927.38x = 49,651,696,795.54
  5. Step 5: Solve for x
    x = 49,651,696,795.54/250,927.38
  6. Step 6: Final answer
    x = 197,872.77

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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.