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Finding the Fourth Proportional to 374,856.78, 517,314.24 and 205,090.92

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Solution

The fourth proportional to 374,856.78, 517,314.24 and 205,090.92 is: 283,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,856.78 : 517,314.24 = 205,090.92 : x
  2. Step 2: Convert to fraction form
    374,856.78/517,314.24 = 205,090.92/x
  3. Step 3: Cross multiply
    374,856.78x = 517,314.24 × 205,090.92
  4. Step 4: Simplify right side
    374,856.78x = 106,096,453,410.70
  5. Step 5: Solve for x
    x = 106,096,453,410.70/374,856.78
  6. Step 6: Final answer
    x = 283,031.97

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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.