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Finding the Fourth Proportional to 317,238.54, 437,893.87 and 283,608.29

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Solution

The fourth proportional to 317,238.54, 437,893.87 and 283,608.29 is: 391,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,238.54 : 437,893.87 = 283,608.29 : x
  2. Step 2: Convert to fraction form
    317,238.54/437,893.87 = 283,608.29/x
  3. Step 3: Cross multiply
    317,238.54x = 437,893.87 × 283,608.29
  4. Step 4: Simplify right side
    317,238.54x = 124,190,331,672.18
  5. Step 5: Solve for x
    x = 124,190,331,672.18/317,238.54
  6. Step 6: Final answer
    x = 391,473.03

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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.