Home / 252,039.20-347,820.36-155,206.40

Finding the Fourth Proportional to 252,039.20, 347,820.36 and 155,206.40

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Solution

The fourth proportional to 252,039.20, 347,820.36 and 155,206.40 is: 214,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,039.20 : 347,820.36 = 155,206.40 : x
  2. Step 2: Convert to fraction form
    252,039.20/347,820.36 = 155,206.40/x
  3. Step 3: Cross multiply
    252,039.20x = 347,820.36 × 155,206.40
  4. Step 4: Simplify right side
    252,039.20x = 53,983,945,922.30
  5. Step 5: Solve for x
    x = 53,983,945,922.30/252,039.20
  6. Step 6: Final answer
    x = 214,188.69

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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.