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Finding the Fourth Proportional to 200,731.62, 301,263.08 and 100,920.18

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Solution

The fourth proportional to 200,731.62, 301,263.08 and 100,920.18 is: 151,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,731.62 : 301,263.08 = 100,920.18 : x
  2. Step 2: Convert to fraction form
    200,731.62/301,263.08 = 100,920.18/x
  3. Step 3: Cross multiply
    200,731.62x = 301,263.08 × 100,920.18
  4. Step 4: Simplify right side
    200,731.62x = 30,403,523,756.35
  5. Step 5: Solve for x
    x = 30,403,523,756.35/200,731.62
  6. Step 6: Final answer
    x = 151,463.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.