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Finding the Fourth Proportional to 250,013.74, 345,019.86 and 135,292.37

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Solution

The fourth proportional to 250,013.74, 345,019.86 and 135,292.37 is: 186,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,013.74 : 345,019.86 = 135,292.37 : x
  2. Step 2: Convert to fraction form
    250,013.74/345,019.86 = 135,292.37/x
  3. Step 3: Cross multiply
    250,013.74x = 345,019.86 × 135,292.37
  4. Step 4: Simplify right side
    250,013.74x = 46,678,553,169.60
  5. Step 5: Solve for x
    x = 46,678,553,169.60/250,013.74
  6. Step 6: Final answer
    x = 186,703.96

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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.