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Finding the Fourth Proportional to 375,265.40, 517,850.70 and 205,496.60

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Solution

The fourth proportional to 375,265.40, 517,850.70 and 205,496.60 is: 283,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,265.40 : 517,850.70 = 205,496.60 : x
  2. Step 2: Convert to fraction form
    375,265.40/517,850.70 = 205,496.60/x
  3. Step 3: Cross multiply
    375,265.40x = 517,850.70 × 205,496.60
  4. Step 4: Simplify right side
    375,265.40x = 106,416,558,157.62
  5. Step 5: Solve for x
    x = 106,416,558,157.62/375,265.40
  6. Step 6: Final answer
    x = 283,576.79

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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.