Home / 215,076.12-322,593.24-65,317.74

Finding the Fourth Proportional to 215,076.12, 322,593.24 and 65,317.74

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Solution

The fourth proportional to 215,076.12, 322,593.24 and 65,317.74 is: 97,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,076.12 : 322,593.24 = 65,317.74 : x
  2. Step 2: Convert to fraction form
    215,076.12/322,593.24 = 65,317.74/x
  3. Step 3: Cross multiply
    215,076.12x = 322,593.24 × 65,317.74
  4. Step 4: Simplify right side
    215,076.12x = 21,071,061,376.08
  5. Step 5: Solve for x
    x = 21,071,061,376.08/215,076.12
  6. Step 6: Final answer
    x = 97,970.25

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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.