Finding the Fourth Proportional to 134,350.08, 201,466.80 and 78,246.24
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Solution
The fourth proportional to 134,350.08, 201,466.80 and 78,246.24 is: 117,335.39
Step by Step Solution
- Step 1: Write the proportion equation
134,350.08 : 201,466.80 = 78,246.24 : x - Step 2: Convert to fraction form
134,350.08/201,466.80 = 78,246.24/x - Step 3: Cross multiply
134,350.08x = 201,466.80 × 78,246.24 - Step 4: Simplify right side
134,350.08x = 15,764,019,584.83 - Step 5: Solve for x
x = 15,764,019,584.83/134,350.08 - Step 6: Final answer
x = 117,335.39
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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.