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Finding the Fourth Proportional to 304,207.70, 456,389.31 and 117,168.98

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Solution

The fourth proportional to 304,207.70, 456,389.31 and 117,168.98 is: 175,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,207.70 : 456,389.31 = 117,168.98 : x
  2. Step 2: Convert to fraction form
    304,207.70/456,389.31 = 117,168.98/x
  3. Step 3: Cross multiply
    304,207.70x = 456,389.31 × 117,168.98
  4. Step 4: Simplify right side
    304,207.70x = 53,474,669,935.60
  5. Step 5: Solve for x
    x = 53,474,669,935.60/304,207.70
  6. Step 6: Final answer
    x = 175,783.42

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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.