Home / 433,427.25-650,269.67-208,722.72

Finding the Fourth Proportional to 433,427.25, 650,269.67 and 208,722.72

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Solution

The fourth proportional to 433,427.25, 650,269.67 and 208,722.72 is: 313,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,427.25 : 650,269.67 = 208,722.72 : x
  2. Step 2: Convert to fraction form
    433,427.25/650,269.67 = 208,722.72/x
  3. Step 3: Cross multiply
    433,427.25x = 650,269.67 × 208,722.72
  4. Step 4: Simplify right side
    433,427.25x = 135,726,056,824.87
  5. Step 5: Solve for x
    x = 135,726,056,824.87/433,427.25
  6. Step 6: Final answer
    x = 313,146.11

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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.