Home / 305,975.20-458,854.19-89,773.59

Finding the Fourth Proportional to 305,975.20, 458,854.19 and 89,773.59

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Solution

The fourth proportional to 305,975.20, 458,854.19 and 89,773.59 is: 134,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,975.20 : 458,854.19 = 89,773.59 : x
  2. Step 2: Convert to fraction form
    305,975.20/458,854.19 = 89,773.59/x
  3. Step 3: Cross multiply
    305,975.20x = 458,854.19 × 89,773.59
  4. Step 4: Simplify right side
    305,975.20x = 41,192,986,950.27
  5. Step 5: Solve for x
    x = 41,192,986,950.27/305,975.20
  6. Step 6: Final answer
    x = 134,628.52

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1.5x scale

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.