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Finding the Fourth Proportional to 200,100.60, 280,607.40 and 200,100.60

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Solution

The fourth proportional to 200,100.60, 280,607.40 and 200,100.60 is: 280,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,100.60 : 280,607.40 = 200,100.60 : x
  2. Step 2: Convert to fraction form
    200,100.60/280,607.40 = 200,100.60/x
  3. Step 3: Cross multiply
    200,100.60x = 280,607.40 × 200,100.60
  4. Step 4: Simplify right side
    200,100.60x = 56,149,709,104.44
  5. Step 5: Solve for x
    x = 56,149,709,104.44/200,100.60
  6. Step 6: Final answer
    x = 280,607.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.