Home / 561,821.01-842,815.43-206,808.04

Finding the Fourth Proportional to 561,821.01, 842,815.43 and 206,808.04

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Solution

The fourth proportional to 561,821.01, 842,815.43 and 206,808.04 is: 310,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,821.01 : 842,815.43 = 206,808.04 : x
  2. Step 2: Convert to fraction form
    561,821.01/842,815.43 = 206,808.04/x
  3. Step 3: Cross multiply
    561,821.01x = 842,815.43 × 206,808.04
  4. Step 4: Simplify right side
    561,821.01x = 174,301,003,214.23
  5. Step 5: Solve for x
    x = 174,301,003,214.23/561,821.01
  6. Step 6: Final answer
    x = 310,242.94

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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.