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Finding the Fourth Proportional to 304,824.62, 420,652.47 and 168,858.15

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Solution

The fourth proportional to 304,824.62, 420,652.47 and 168,858.15 is: 233,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,824.62 : 420,652.47 = 168,858.15 : x
  2. Step 2: Convert to fraction form
    304,824.62/420,652.47 = 168,858.15/x
  3. Step 3: Cross multiply
    304,824.62x = 420,652.47 × 168,858.15
  4. Step 4: Simplify right side
    304,824.62x = 71,030,595,508.16
  5. Step 5: Solve for x
    x = 71,030,595,508.16/304,824.62
  6. Step 6: Final answer
    x = 233,021.19

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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.