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Finding the Fourth Proportional to 201,009.90, 301,514.85 and 82,766.10

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Solution

The fourth proportional to 201,009.90, 301,514.85 and 82,766.10 is: 124,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,009.90 : 301,514.85 = 82,766.10 : x
  2. Step 2: Convert to fraction form
    201,009.90/301,514.85 = 82,766.10/x
  3. Step 3: Cross multiply
    201,009.90x = 301,514.85 × 82,766.10
  4. Step 4: Simplify right side
    201,009.90x = 24,955,208,226.59
  5. Step 5: Solve for x
    x = 24,955,208,226.59/201,009.90
  6. Step 6: Final answer
    x = 124,149.15

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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.