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Finding the Fourth Proportional to 145,913.00, 218,895.41 and 49,844.97

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Solution

The fourth proportional to 145,913.00, 218,895.41 and 49,844.97 is: 74,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,913.00 : 218,895.41 = 49,844.97 : x
  2. Step 2: Convert to fraction form
    145,913.00/218,895.41 = 49,844.97/x
  3. Step 3: Cross multiply
    145,913.00x = 218,895.41 × 49,844.97
  4. Step 4: Simplify right side
    145,913.00x = 10,910,835,269.20
  5. Step 5: Solve for x
    x = 10,910,835,269.20/145,913.00
  6. Step 6: Final answer
    x = 74,776.31

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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.