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Finding the Fourth Proportional to 302,376.78, 453,529.94 and 112,843.67

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Solution

The fourth proportional to 302,376.78, 453,529.94 and 112,843.67 is: 169,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,376.78 : 453,529.94 = 112,843.67 : x
  2. Step 2: Convert to fraction form
    302,376.78/453,529.94 = 112,843.67/x
  3. Step 3: Cross multiply
    302,376.78x = 453,529.94 × 112,843.67
  4. Step 4: Simplify right side
    302,376.78x = 51,177,980,052.61
  5. Step 5: Solve for x
    x = 51,177,980,052.61/302,376.78
  6. Step 6: Final answer
    x = 169,252.35

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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.