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Finding the Fourth Proportional to 606,404.20, 909,715.65 and 251,454.10

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Solution

The fourth proportional to 606,404.20, 909,715.65 and 251,454.10 is: 377,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,404.20 : 909,715.65 = 251,454.10 : x
  2. Step 2: Convert to fraction form
    606,404.20/909,715.65 = 251,454.10/x
  3. Step 3: Cross multiply
    606,404.20x = 909,715.65 × 251,454.10
  4. Step 4: Simplify right side
    606,404.20x = 228,751,730,026.67
  5. Step 5: Solve for x
    x = 228,751,730,026.67/606,404.20
  6. Step 6: Final answer
    x = 377,226.49

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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.