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Finding the Fourth Proportional to 500,890.08, 751,458 and 145,907.36

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Solution

The fourth proportional to 500,890.08, 751,458 and 145,907.36 is: 218,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,890.08 : 751,458 = 145,907.36 : x
  2. Step 2: Convert to fraction form
    500,890.08/751,458 = 145,907.36/x
  3. Step 3: Cross multiply
    500,890.08x = 751,458 × 145,907.36
  4. Step 4: Simplify right side
    500,890.08x = 109,643,252,930.88
  5. Step 5: Solve for x
    x = 109,643,252,930.88/500,890.08
  6. Step 6: Final answer
    x = 218,896.83

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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.