Finding the Fourth Proportional to 156,452.95, 215,909.31 and 88,480.09
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Solution
The fourth proportional to 156,452.95, 215,909.31 and 88,480.09 is: 122,104.92
Step by Step Solution
- Step 1: Write the proportion equation
156,452.95 : 215,909.31 = 88,480.09 : x - Step 2: Convert to fraction form
156,452.95/215,909.31 = 88,480.09/x - Step 3: Cross multiply
156,452.95x = 215,909.31 × 88,480.09 - Step 4: Simplify right side
156,452.95x = 19,103,675,180.64 - Step 5: Solve for x
x = 19,103,675,180.64/156,452.95 - Step 6: Final answer
x = 122,104.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.