Home / 250,217.38-345,300.69-135,497.38

Finding the Fourth Proportional to 250,217.38, 345,300.69 and 135,497.38

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Solution

The fourth proportional to 250,217.38, 345,300.69 and 135,497.38 is: 186,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,217.38 : 345,300.69 = 135,497.38 : x
  2. Step 2: Convert to fraction form
    250,217.38/345,300.69 = 135,497.38/x
  3. Step 3: Cross multiply
    250,217.38x = 345,300.69 × 135,497.38
  4. Step 4: Simplify right side
    250,217.38x = 46,787,338,807.19
  5. Step 5: Solve for x
    x = 46,787,338,807.19/250,217.38
  6. Step 6: Final answer
    x = 186,986.77

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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.