Home / 250,231.12-345,319.09-135,510.65

Finding the Fourth Proportional to 250,231.12, 345,319.09 and 135,510.65

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Solution

The fourth proportional to 250,231.12, 345,319.09 and 135,510.65 is: 187,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,231.12 : 345,319.09 = 135,510.65 : x
  2. Step 2: Convert to fraction form
    250,231.12/345,319.09 = 135,510.65/x
  3. Step 3: Cross multiply
    250,231.12x = 345,319.09 × 135,510.65
  4. Step 4: Simplify right side
    250,231.12x = 46,794,412,277.94
  5. Step 5: Solve for x
    x = 46,794,412,277.94/250,231.12
  6. Step 6: Final answer
    x = 187,004.77

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1.5x scale

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.