Home / 561,815.38-842,807.19-206,802.34

Finding the Fourth Proportional to 561,815.38, 842,807.19 and 206,802.34

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Solution

The fourth proportional to 561,815.38, 842,807.19 and 206,802.34 is: 310,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,815.38 : 842,807.19 = 206,802.34 : x
  2. Step 2: Convert to fraction form
    561,815.38/842,807.19 = 206,802.34/x
  3. Step 3: Cross multiply
    561,815.38x = 842,807.19 × 206,802.34
  4. Step 4: Simplify right side
    561,815.38x = 174,294,499,060.83
  5. Step 5: Solve for x
    x = 174,294,499,060.83/561,815.38
  6. Step 6: Final answer
    x = 310,234.47

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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.