Home / 251,918.76-347,622.18-155,107.26

Finding the Fourth Proportional to 251,918.76, 347,622.18 and 155,107.26

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Solution

The fourth proportional to 251,918.76, 347,622.18 and 155,107.26 is: 214,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,918.76 : 347,622.18 = 155,107.26 : x
  2. Step 2: Convert to fraction form
    251,918.76/347,622.18 = 155,107.26/x
  3. Step 3: Cross multiply
    251,918.76x = 347,622.18 × 155,107.26
  4. Step 4: Simplify right side
    251,918.76x = 53,918,722,116.92
  5. Step 5: Solve for x
    x = 53,918,722,116.92/251,918.76
  6. Step 6: Final answer
    x = 214,032.19

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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.