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Finding the Fourth Proportional to 374,880.96, 517,371.30 and 205,140.60

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Solution

The fourth proportional to 374,880.96, 517,371.30 and 205,140.60 is: 283,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,880.96 : 517,371.30 = 205,140.60 : x
  2. Step 2: Convert to fraction form
    374,880.96/517,371.30 = 205,140.60/x
  3. Step 3: Cross multiply
    374,880.96x = 517,371.30 × 205,140.60
  4. Step 4: Simplify right side
    374,880.96x = 106,133,858,904.78
  5. Step 5: Solve for x
    x = 106,133,858,904.78/374,880.96
  6. Step 6: Final answer
    x = 283,113.50

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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.