Home / 215,838.18-323,786.88-73,645.32

Finding the Fourth Proportional to 215,838.18, 323,786.88 and 73,645.32

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Solution

The fourth proportional to 215,838.18, 323,786.88 and 73,645.32 is: 110,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,838.18 : 323,786.88 = 73,645.32 : x
  2. Step 2: Convert to fraction form
    215,838.18/323,786.88 = 73,645.32/x
  3. Step 3: Cross multiply
    215,838.18x = 323,786.88 × 73,645.32
  4. Step 4: Simplify right side
    215,838.18x = 23,845,388,389.40
  5. Step 5: Solve for x
    x = 23,845,388,389.40/215,838.18
  6. Step 6: Final answer
    x = 110,478.08

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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.