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Finding the Fourth Proportional to 202,995.54, 304,511.27 and 53,235.32

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Solution

The fourth proportional to 202,995.54, 304,511.27 and 53,235.32 is: 79,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,995.54 : 304,511.27 = 53,235.32 : x
  2. Step 2: Convert to fraction form
    202,995.54/304,511.27 = 53,235.32/x
  3. Step 3: Cross multiply
    202,995.54x = 304,511.27 × 53,235.32
  4. Step 4: Simplify right side
    202,995.54x = 16,210,753,113.32
  5. Step 5: Solve for x
    x = 16,210,753,113.32/202,995.54
  6. Step 6: Final answer
    x = 79,857.68

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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.