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Finding the Fourth Proportional to 317,384.76, 437,922.54 and 183,171

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Solution

The fourth proportional to 317,384.76, 437,922.54 and 183,171 is: 252,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,384.76 : 437,922.54 = 183,171 : x
  2. Step 2: Convert to fraction form
    317,384.76/437,922.54 = 183,171/x
  3. Step 3: Cross multiply
    317,384.76x = 437,922.54 × 183,171
  4. Step 4: Simplify right side
    317,384.76x = 80,214,709,574.34
  5. Step 5: Solve for x
    x = 80,214,709,574.34/317,384.76
  6. Step 6: Final answer
    x = 252,736.49

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Why These Related Problems?

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