Home / 347,200.72-520,842.69-122,514.75

Finding the Fourth Proportional to 347,200.72, 520,842.69 and 122,514.75

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Solution

The fourth proportional to 347,200.72, 520,842.69 and 122,514.75 is: 183,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,200.72 : 520,842.69 = 122,514.75 : x
  2. Step 2: Convert to fraction form
    347,200.72/520,842.69 = 122,514.75/x
  3. Step 3: Cross multiply
    347,200.72x = 520,842.69 × 122,514.75
  4. Step 4: Simplify right side
    347,200.72x = 63,810,911,954.68
  5. Step 5: Solve for x
    x = 63,810,911,954.68/347,200.72
  6. Step 6: Final answer
    x = 183,786.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.