Finding the Fourth Proportional to 156,785.82, 235,194.30 and 50,142.99
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Solution
The fourth proportional to 156,785.82, 235,194.30 and 50,142.99 is: 75,219.46
Step by Step Solution
- Step 1: Write the proportion equation
156,785.82 : 235,194.30 = 50,142.99 : x - Step 2: Convert to fraction form
156,785.82/235,194.30 = 50,142.99/x - Step 3: Cross multiply
156,785.82x = 235,194.30 × 50,142.99 - Step 4: Simplify right side
156,785.82x = 11,793,345,432.96 - Step 5: Solve for x
x = 11,793,345,432.96/156,785.82 - Step 6: Final answer
x = 75,219.46
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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.