Home / 374,915.50-517,383.39-205,149.64

Finding the Fourth Proportional to 374,915.50, 517,383.39 and 205,149.64

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Solution

The fourth proportional to 374,915.50, 517,383.39 and 205,149.64 is: 283,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,915.50 : 517,383.39 = 205,149.64 : x
  2. Step 2: Convert to fraction form
    374,915.50/517,383.39 = 205,149.64/x
  3. Step 3: Cross multiply
    374,915.50x = 517,383.39 × 205,149.64
  4. Step 4: Simplify right side
    374,915.50x = 106,141,016,200.48
  5. Step 5: Solve for x
    x = 106,141,016,200.48/374,915.50
  6. Step 6: Final answer
    x = 283,106.50

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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.