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Finding the Fourth Proportional to 304,469.88, 420,162.40 and 168,495.92

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Solution

The fourth proportional to 304,469.88, 420,162.40 and 168,495.92 is: 232,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,469.88 : 420,162.40 = 168,495.92 : x
  2. Step 2: Convert to fraction form
    304,469.88/420,162.40 = 168,495.92/x
  3. Step 3: Cross multiply
    304,469.88x = 420,162.40 × 168,495.92
  4. Step 4: Simplify right side
    304,469.88x = 70,795,650,137.41
  5. Step 5: Solve for x
    x = 70,795,650,137.41/304,469.88
  6. Step 6: Final answer
    x = 232,521.03

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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.