Home / 246,438.77-339,857.93-155,636.69

Finding the Fourth Proportional to 246,438.77, 339,857.93 and 155,636.69

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Solution

The fourth proportional to 246,438.77, 339,857.93 and 155,636.69 is: 214,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,438.77 : 339,857.93 = 155,636.69 : x
  2. Step 2: Convert to fraction form
    246,438.77/339,857.93 = 155,636.69/x
  3. Step 3: Cross multiply
    246,438.77x = 339,857.93 × 155,636.69
  4. Step 4: Simplify right side
    246,438.77x = 52,894,362,517.27
  5. Step 5: Solve for x
    x = 52,894,362,517.27/246,438.77
  6. Step 6: Final answer
    x = 214,634.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.