Home / 442,945.11-611,072.51-270,870.60

Finding the Fourth Proportional to 442,945.11, 611,072.51 and 270,870.60

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Solution

The fourth proportional to 442,945.11, 611,072.51 and 270,870.60 is: 373,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,945.11 : 611,072.51 = 270,870.60 : x
  2. Step 2: Convert to fraction form
    442,945.11/611,072.51 = 270,870.60/x
  3. Step 3: Cross multiply
    442,945.11x = 611,072.51 × 270,870.60
  4. Step 4: Simplify right side
    442,945.11x = 165,521,576,072.85
  5. Step 5: Solve for x
    x = 165,521,576,072.85/442,945.11
  6. Step 6: Final answer
    x = 373,684.17

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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.