Home / 250,727.54-345,622.14-212,345.69

Finding the Fourth Proportional to 250,727.54, 345,622.14 and 212,345.69

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Solution

The fourth proportional to 250,727.54, 345,622.14 and 212,345.69 is: 292,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,727.54 : 345,622.14 = 212,345.69 : x
  2. Step 2: Convert to fraction form
    250,727.54/345,622.14 = 212,345.69/x
  3. Step 3: Cross multiply
    250,727.54x = 345,622.14 × 212,345.69
  4. Step 4: Simplify right side
    250,727.54x = 73,391,371,797.58
  5. Step 5: Solve for x
    x = 73,391,371,797.58/250,727.54
  6. Step 6: Final answer
    x = 292,713.64

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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.