Home / 399,172.06-550,979.55-246,257.83

Finding the Fourth Proportional to 399,172.06, 550,979.55 and 246,257.83

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Solution

The fourth proportional to 399,172.06, 550,979.55 and 246,257.83 is: 339,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,172.06 : 550,979.55 = 246,257.83 : x
  2. Step 2: Convert to fraction form
    399,172.06/550,979.55 = 246,257.83/x
  3. Step 3: Cross multiply
    399,172.06x = 550,979.55 × 246,257.83
  4. Step 4: Simplify right side
    399,172.06x = 135,683,028,357.38
  5. Step 5: Solve for x
    x = 135,683,028,357.38/399,172.06
  6. Step 6: Final answer
    x = 339,911.14

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1.5x scale

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.