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Finding the Fourth Proportional to 304,384.70, 456,597.12 and 79,750.64

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Solution

The fourth proportional to 304,384.70, 456,597.12 and 79,750.64 is: 119,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,384.70 : 456,597.12 = 79,750.64 : x
  2. Step 2: Convert to fraction form
    304,384.70/456,597.12 = 79,750.64/x
  3. Step 3: Cross multiply
    304,384.70x = 456,597.12 × 79,750.64
  4. Step 4: Simplify right side
    304,384.70x = 36,413,912,542.16
  5. Step 5: Solve for x
    x = 36,413,912,542.16/304,384.70
  6. Step 6: Final answer
    x = 119,631.22

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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.