Home / 412,427.54-618,567.14-187,735.70

Finding the Fourth Proportional to 412,427.54, 618,567.14 and 187,735.70

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Solution

The fourth proportional to 412,427.54, 618,567.14 and 187,735.70 is: 281,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,427.54 : 618,567.14 = 187,735.70 : x
  2. Step 2: Convert to fraction form
    412,427.54/618,567.14 = 187,735.70/x
  3. Step 3: Cross multiply
    412,427.54x = 618,567.14 × 187,735.70
  4. Step 4: Simplify right side
    412,427.54x = 116,127,135,024.90
  5. Step 5: Solve for x
    x = 116,127,135,024.90/412,427.54
  6. Step 6: Final answer
    x = 281,569.79

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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.