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Finding the Fourth Proportional to 352,003.40, 527,486.70 and 299,126.60

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Solution

The fourth proportional to 352,003.40, 527,486.70 and 299,126.60 is: 448,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.40 : 527,486.70 = 299,126.60 : x
  2. Step 2: Convert to fraction form
    352,003.40/527,486.70 = 299,126.60/x
  3. Step 3: Cross multiply
    352,003.40x = 527,486.70 × 299,126.60
  4. Step 4: Simplify right side
    352,003.40x = 157,785,303,116.22
  5. Step 5: Solve for x
    x = 157,785,303,116.22/352,003.40
  6. Step 6: Final answer
    x = 448,249.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.