Home / 550,990.79-826,165.06-213,637.33

Finding the Fourth Proportional to 550,990.79, 826,165.06 and 213,637.33

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Solution

The fourth proportional to 550,990.79, 826,165.06 and 213,637.33 is: 320,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,990.79 : 826,165.06 = 213,637.33 : x
  2. Step 2: Convert to fraction form
    550,990.79/826,165.06 = 213,637.33/x
  3. Step 3: Cross multiply
    550,990.79x = 826,165.06 × 213,637.33
  4. Step 4: Simplify right side
    550,990.79x = 176,499,697,557.69
  5. Step 5: Solve for x
    x = 176,499,697,557.69/550,990.79
  6. Step 6: Final answer
    x = 320,331.48

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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.