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Finding the Fourth Proportional to 250,725.54, 345,619.38 and 212,343.69

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Solution

The fourth proportional to 250,725.54, 345,619.38 and 212,343.69 is: 292,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,725.54 : 345,619.38 = 212,343.69 : x
  2. Step 2: Convert to fraction form
    250,725.54/345,619.38 = 212,343.69/x
  3. Step 3: Cross multiply
    250,725.54x = 345,619.38 × 212,343.69
  4. Step 4: Simplify right side
    250,725.54x = 73,390,094,484.71
  5. Step 5: Solve for x
    x = 73,390,094,484.71/250,725.54
  6. Step 6: Final answer
    x = 292,710.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.