Home / 298,639.05-412,092-183,899.31

Finding the Fourth Proportional to 298,639.05, 412,092 and 183,899.31

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Solution

The fourth proportional to 298,639.05, 412,092 and 183,899.31 is: 253,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,639.05 : 412,092 = 183,899.31 : x
  2. Step 2: Convert to fraction form
    298,639.05/412,092 = 183,899.31/x
  3. Step 3: Cross multiply
    298,639.05x = 412,092 × 183,899.31
  4. Step 4: Simplify right side
    298,639.05x = 75,783,434,456.52
  5. Step 5: Solve for x
    x = 75,783,434,456.52/298,639.05
  6. Step 6: Final answer
    x = 253,762.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.