Home / 215,352.72-323,003.64-57,593.40

Finding the Fourth Proportional to 215,352.72, 323,003.64 and 57,593.40

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Solution

The fourth proportional to 215,352.72, 323,003.64 and 57,593.40 is: 86,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,352.72 : 323,003.64 = 57,593.40 : x
  2. Step 2: Convert to fraction form
    215,352.72/323,003.64 = 57,593.40/x
  3. Step 3: Cross multiply
    215,352.72x = 323,003.64 × 57,593.40
  4. Step 4: Simplify right side
    215,352.72x = 18,602,877,839.98
  5. Step 5: Solve for x
    x = 18,602,877,839.98/215,352.72
  6. Step 6: Final answer
    x = 86,383.30

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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.