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Finding the Fourth Proportional to 317,289, 437,858.82 and 183,153

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Solution

The fourth proportional to 317,289, 437,858.82 and 183,153 is: 252,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,289 : 437,858.82 = 183,153 : x
  2. Step 2: Convert to fraction form
    317,289/437,858.82 = 183,153/x
  3. Step 3: Cross multiply
    317,289x = 437,858.82 × 183,153
  4. Step 4: Simplify right side
    317,289x = 80,195,156,459.46
  5. Step 5: Solve for x
    x = 80,195,156,459.46/317,289
  6. Step 6: Final answer
    x = 252,751.14

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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.