Home / 251,721.90-347,366.07-144,217.35

Finding the Fourth Proportional to 251,721.90, 347,366.07 and 144,217.35

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Solution

The fourth proportional to 251,721.90, 347,366.07 and 144,217.35 is: 199,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,721.90 : 347,366.07 = 144,217.35 : x
  2. Step 2: Convert to fraction form
    251,721.90/347,366.07 = 144,217.35/x
  3. Step 3: Cross multiply
    251,721.90x = 347,366.07 × 144,217.35
  4. Step 4: Simplify right side
    251,721.90x = 50,096,214,095.31
  5. Step 5: Solve for x
    x = 50,096,214,095.31/251,721.90
  6. Step 6: Final answer
    x = 199,014.13

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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.