Finding the Fourth Proportional to 136,147.13, 204,248.36 and 47,407.55
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Solution
The fourth proportional to 136,147.13, 204,248.36 and 47,407.55 is: 71,120.95
Step by Step Solution
- Step 1: Write the proportion equation
136,147.13 : 204,248.36 = 47,407.55 : x - Step 2: Convert to fraction form
136,147.13/204,248.36 = 47,407.55/x - Step 3: Cross multiply
136,147.13x = 204,248.36 × 47,407.55 - Step 4: Simplify right side
136,147.13x = 9,682,913,080.84 - Step 5: Solve for x
x = 9,682,913,080.84/136,147.13 - Step 6: Final answer
x = 71,120.95
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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.