Home / 384,917.13-531,182.44-212,842.60

Finding the Fourth Proportional to 384,917.13, 531,182.44 and 212,842.60

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Solution

The fourth proportional to 384,917.13, 531,182.44 and 212,842.60 is: 293,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,917.13 : 531,182.44 = 212,842.60 : x
  2. Step 2: Convert to fraction form
    384,917.13/531,182.44 = 212,842.60/x
  3. Step 3: Cross multiply
    384,917.13x = 531,182.44 × 212,842.60
  4. Step 4: Simplify right side
    384,917.13x = 113,058,250,542.04
  5. Step 5: Solve for x
    x = 113,058,250,542.04/384,917.13
  6. Step 6: Final answer
    x = 293,721.02

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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.