Home / 305,515.21-458,267.77-125,564.17

Finding the Fourth Proportional to 305,515.21, 458,267.77 and 125,564.17

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Solution

The fourth proportional to 305,515.21, 458,267.77 and 125,564.17 is: 188,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,515.21 : 458,267.77 = 125,564.17 : x
  2. Step 2: Convert to fraction form
    305,515.21/458,267.77 = 125,564.17/x
  3. Step 3: Cross multiply
    305,515.21x = 458,267.77 × 125,564.17
  4. Step 4: Simplify right side
    305,515.21x = 57,542,012,177.80
  5. Step 5: Solve for x
    x = 57,542,012,177.80/305,515.21
  6. Step 6: Final answer
    x = 188,344.18

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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.