Home / 305,538.23-458,334-125,634.59

Finding the Fourth Proportional to 305,538.23, 458,334 and 125,634.59

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Solution

The fourth proportional to 305,538.23, 458,334 and 125,634.59 is: 188,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,538.23 : 458,334 = 125,634.59 : x
  2. Step 2: Convert to fraction form
    305,538.23/458,334 = 125,634.59/x
  3. Step 3: Cross multiply
    305,538.23x = 458,334 × 125,634.59
  4. Step 4: Simplify right side
    305,538.23x = 57,582,605,318.90
  5. Step 5: Solve for x
    x = 57,582,605,318.90/305,538.23
  6. Step 6: Final answer
    x = 188,462.85

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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.