Home / 371,945.40-557,918.10-91,462.65

Finding the Fourth Proportional to 371,945.40, 557,918.10 and 91,462.65

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Solution

The fourth proportional to 371,945.40, 557,918.10 and 91,462.65 is: 137,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,945.40 : 557,918.10 = 91,462.65 : x
  2. Step 2: Convert to fraction form
    371,945.40/557,918.10 = 91,462.65/x
  3. Step 3: Cross multiply
    371,945.40x = 557,918.10 × 91,462.65
  4. Step 4: Simplify right side
    371,945.40x = 51,028,667,908.97
  5. Step 5: Solve for x
    x = 51,028,667,908.97/371,945.40
  6. Step 6: Final answer
    x = 137,193.98

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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.