Home / 557,261.37-835,883.04-220,305.15

Finding the Fourth Proportional to 557,261.37, 835,883.04 and 220,305.15

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Solution

The fourth proportional to 557,261.37, 835,883.04 and 220,305.15 is: 330,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,261.37 : 835,883.04 = 220,305.15 : x
  2. Step 2: Convert to fraction form
    557,261.37/835,883.04 = 220,305.15/x
  3. Step 3: Cross multiply
    557,261.37x = 835,883.04 × 220,305.15
  4. Step 4: Simplify right side
    557,261.37x = 184,149,339,335.80
  5. Step 5: Solve for x
    x = 184,149,339,335.80/557,261.37
  6. Step 6: Final answer
    x = 330,454.16

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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.