Finding the Fourth Proportional to 136,259.52, 204,315.15 and 47,489.19
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Solution
The fourth proportional to 136,259.52, 204,315.15 and 47,489.19 is: 71,207.95
Step by Step Solution
- Step 1: Write the proportion equation
136,259.52 : 204,315.15 = 47,489.19 : x - Step 2: Convert to fraction form
136,259.52/204,315.15 = 47,489.19/x - Step 3: Cross multiply
136,259.52x = 204,315.15 × 47,489.19 - Step 4: Simplify right side
136,259.52x = 9,702,760,978.23 - Step 5: Solve for x
x = 9,702,760,978.23/136,259.52 - Step 6: Final answer
x = 71,207.95
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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.