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Finding the Fourth Proportional to 606,600.90, 909,901.35 and 207,181.80

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Solution

The fourth proportional to 606,600.90, 909,901.35 and 207,181.80 is: 310,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,600.90 : 909,901.35 = 207,181.80 : x
  2. Step 2: Convert to fraction form
    606,600.90/909,901.35 = 207,181.80/x
  3. Step 3: Cross multiply
    606,600.90x = 909,901.35 × 207,181.80
  4. Step 4: Simplify right side
    606,600.90x = 188,514,999,515.43
  5. Step 5: Solve for x
    x = 188,514,999,515.43/606,600.90
  6. Step 6: Final answer
    x = 310,772.70

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Similar ratio
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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.