Home / 250,333.38-345,489.03-142,918.88

Finding the Fourth Proportional to 250,333.38, 345,489.03 and 142,918.88

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Solution

The fourth proportional to 250,333.38, 345,489.03 and 142,918.88 is: 197,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,333.38 : 345,489.03 = 142,918.88 : x
  2. Step 2: Convert to fraction form
    250,333.38/345,489.03 = 142,918.88/x
  3. Step 3: Cross multiply
    250,333.38x = 345,489.03 × 142,918.88
  4. Step 4: Simplify right side
    250,333.38x = 49,376,903,492.44
  5. Step 5: Solve for x
    x = 49,376,903,492.44/250,333.38
  6. Step 6: Final answer
    x = 197,244.58

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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.