Home / 208,438.26-312,501.87-97,604.34

Finding the Fourth Proportional to 208,438.26, 312,501.87 and 97,604.34

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Solution

The fourth proportional to 208,438.26, 312,501.87 and 97,604.34 is: 146,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,438.26 : 312,501.87 = 97,604.34 : x
  2. Step 2: Convert to fraction form
    208,438.26/312,501.87 = 97,604.34/x
  3. Step 3: Cross multiply
    208,438.26x = 312,501.87 × 97,604.34
  4. Step 4: Simplify right side
    208,438.26x = 30,501,538,770.12
  5. Step 5: Solve for x
    x = 30,501,538,770.12/208,438.26
  6. Step 6: Final answer
    x = 146,333.69

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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.