Home / 644,943.16-967,436.58-171,628.96

Finding the Fourth Proportional to 644,943.16, 967,436.58 and 171,628.96

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Solution

The fourth proportional to 644,943.16, 967,436.58 and 171,628.96 is: 257,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,943.16 : 967,436.58 = 171,628.96 : x
  2. Step 2: Convert to fraction form
    644,943.16/967,436.58 = 171,628.96/x
  3. Step 3: Cross multiply
    644,943.16x = 967,436.58 × 171,628.96
  4. Step 4: Simplify right side
    644,943.16x = 166,040,134,091.36
  5. Step 5: Solve for x
    x = 166,040,134,091.36/644,943.16
  6. Step 6: Final answer
    x = 257,449.25

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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.