Home / 228,206.36-342,445.83-121,669.39

Finding the Fourth Proportional to 228,206.36, 342,445.83 and 121,669.39

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Solution

The fourth proportional to 228,206.36, 342,445.83 and 121,669.39 is: 182,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,206.36 : 342,445.83 = 121,669.39 : x
  2. Step 2: Convert to fraction form
    228,206.36/342,445.83 = 121,669.39/x
  3. Step 3: Cross multiply
    228,206.36x = 342,445.83 × 121,669.39
  4. Step 4: Simplify right side
    228,206.36x = 41,665,175,215.94
  5. Step 5: Solve for x
    x = 41,665,175,215.94/228,206.36
  6. Step 6: Final answer
    x = 182,576.75

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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.