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Finding the Fourth Proportional to 406,950.20, 610,425.30 and 185,766.20

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Solution

The fourth proportional to 406,950.20, 610,425.30 and 185,766.20 is: 278,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,950.20 : 610,425.30 = 185,766.20 : x
  2. Step 2: Convert to fraction form
    406,950.20/610,425.30 = 185,766.20/x
  3. Step 3: Cross multiply
    406,950.20x = 610,425.30 × 185,766.20
  4. Step 4: Simplify right side
    406,950.20x = 113,396,388,364.86
  5. Step 5: Solve for x
    x = 113,396,388,364.86/406,950.20
  6. Step 6: Final answer
    x = 278,649.30

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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.