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Finding the Fourth Proportional to 219,205.72, 302,471.46 and 133,119.94

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Solution

The fourth proportional to 219,205.72, 302,471.46 and 133,119.94 is: 183,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,205.72 : 302,471.46 = 133,119.94 : x
  2. Step 2: Convert to fraction form
    219,205.72/302,471.46 = 133,119.94/x
  3. Step 3: Cross multiply
    219,205.72x = 302,471.46 × 133,119.94
  4. Step 4: Simplify right side
    219,205.72x = 40,264,982,606.91
  5. Step 5: Solve for x
    x = 40,264,982,606.91/219,205.72
  6. Step 6: Final answer
    x = 183,685.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.