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Finding the Fourth Proportional to 259,165.48, 388,243.83 and 146,504.89

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Solution

The fourth proportional to 259,165.48, 388,243.83 and 146,504.89 is: 219,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,165.48 : 388,243.83 = 146,504.89 : x
  2. Step 2: Convert to fraction form
    259,165.48/388,243.83 = 146,504.89/x
  3. Step 3: Cross multiply
    259,165.48x = 388,243.83 × 146,504.89
  4. Step 4: Simplify right side
    259,165.48x = 56,879,619,607.33
  5. Step 5: Solve for x
    x = 56,879,619,607.33/259,165.48
  6. Step 6: Final answer
    x = 219,472.21

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1.5x scale

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.