Home / 250,234.49-345,323.78-135,514.02

Finding the Fourth Proportional to 250,234.49, 345,323.78 and 135,514.02

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Solution

The fourth proportional to 250,234.49, 345,323.78 and 135,514.02 is: 187,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,234.49 : 345,323.78 = 135,514.02 : x
  2. Step 2: Convert to fraction form
    250,234.49/345,323.78 = 135,514.02/x
  3. Step 3: Cross multiply
    250,234.49x = 345,323.78 × 135,514.02
  4. Step 4: Simplify right side
    250,234.49x = 46,796,212,951.83
  5. Step 5: Solve for x
    x = 46,796,212,951.83/250,234.49
  6. Step 6: Final answer
    x = 187,009.45

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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.