Home / 302,813.55-454,286.82-89,564.81

Finding the Fourth Proportional to 302,813.55, 454,286.82 and 89,564.81

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Solution

The fourth proportional to 302,813.55, 454,286.82 and 89,564.81 is: 134,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,813.55 : 454,286.82 = 89,564.81 : x
  2. Step 2: Convert to fraction form
    302,813.55/454,286.82 = 89,564.81/x
  3. Step 3: Cross multiply
    302,813.55x = 454,286.82 × 89,564.81
  4. Step 4: Simplify right side
    302,813.55x = 40,688,110,447.37
  5. Step 5: Solve for x
    x = 40,688,110,447.37/302,813.55
  6. Step 6: Final answer
    x = 134,366.88

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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.