Home / 274,456.69-378,766.91-153,595.46

Finding the Fourth Proportional to 274,456.69, 378,766.91 and 153,595.46

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Solution

The fourth proportional to 274,456.69, 378,766.91 and 153,595.46 is: 211,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,456.69 : 378,766.91 = 153,595.46 : x
  2. Step 2: Convert to fraction form
    274,456.69/378,766.91 = 153,595.46/x
  3. Step 3: Cross multiply
    274,456.69x = 378,766.91 × 153,595.46
  4. Step 4: Simplify right side
    274,456.69x = 58,176,879,105.13
  5. Step 5: Solve for x
    x = 58,176,879,105.13/274,456.69
  6. Step 6: Final answer
    x = 211,971.08

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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.