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Finding the Fourth Proportional to 608,950.20, 913,425.30 and 188,268.60

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Solution

The fourth proportional to 608,950.20, 913,425.30 and 188,268.60 is: 282,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,950.20 : 913,425.30 = 188,268.60 : x
  2. Step 2: Convert to fraction form
    608,950.20/913,425.30 = 188,268.60/x
  3. Step 3: Cross multiply
    608,950.20x = 913,425.30 × 188,268.60
  4. Step 4: Simplify right side
    608,950.20x = 171,969,302,435.58
  5. Step 5: Solve for x
    x = 171,969,302,435.58/608,950.20
  6. Step 6: Final answer
    x = 282,402.90

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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.