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Finding the Fourth Proportional to 290,600.98, 400,883.10 and 252,308.44

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Solution

The fourth proportional to 290,600.98, 400,883.10 and 252,308.44 is: 348,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,600.98 : 400,883.10 = 252,308.44 : x
  2. Step 2: Convert to fraction form
    290,600.98/400,883.10 = 252,308.44/x
  3. Step 3: Cross multiply
    290,600.98x = 400,883.10 × 252,308.44
  4. Step 4: Simplify right side
    290,600.98x = 101,146,189,583.36
  5. Step 5: Solve for x
    x = 101,146,189,583.36/290,600.98
  6. Step 6: Final answer
    x = 348,058.67

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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.