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Finding the Fourth Proportional to 303,077.81, 454,600.22 and 92,715.74

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Solution

The fourth proportional to 303,077.81, 454,600.22 and 92,715.74 is: 139,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,077.81 : 454,600.22 = 92,715.74 : x
  2. Step 2: Convert to fraction form
    303,077.81/454,600.22 = 92,715.74/x
  3. Step 3: Cross multiply
    303,077.81x = 454,600.22 × 92,715.74
  4. Step 4: Simplify right side
    303,077.81x = 42,148,593,064.88
  5. Step 5: Solve for x
    x = 42,148,593,064.88/303,077.81
  6. Step 6: Final answer
    x = 139,068.56

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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.