Home / 269,206.05-371,478.96-158,807.47

Finding the Fourth Proportional to 269,206.05, 371,478.96 and 158,807.47

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Solution

The fourth proportional to 269,206.05, 371,478.96 and 158,807.47 is: 219,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,206.05 : 371,478.96 = 158,807.47 : x
  2. Step 2: Convert to fraction form
    269,206.05/371,478.96 = 158,807.47/x
  3. Step 3: Cross multiply
    269,206.05x = 371,478.96 × 158,807.47
  4. Step 4: Simplify right side
    269,206.05x = 58,993,633,795.83
  5. Step 5: Solve for x
    x = 58,993,633,795.83/269,206.05
  6. Step 6: Final answer
    x = 219,139.33

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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.