Home / 305,919.14-458,721.05-137,294.87

Finding the Fourth Proportional to 305,919.14, 458,721.05 and 137,294.87

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Solution

The fourth proportional to 305,919.14, 458,721.05 and 137,294.87 is: 205,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,919.14 : 458,721.05 = 137,294.87 : x
  2. Step 2: Convert to fraction form
    305,919.14/458,721.05 = 137,294.87/x
  3. Step 3: Cross multiply
    305,919.14x = 458,721.05 × 137,294.87
  4. Step 4: Simplify right side
    305,919.14x = 62,980,043,945.93
  5. Step 5: Solve for x
    x = 62,980,043,945.93/305,919.14
  6. Step 6: Final answer
    x = 205,871.54

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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.