Finding the Fourth Proportional to 136,655.64, 205,013.16 and 41,886.18
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Solution
The fourth proportional to 136,655.64, 205,013.16 and 41,886.18 is: 62,838.37
Step by Step Solution
- Step 1: Write the proportion equation
136,655.64 : 205,013.16 = 41,886.18 : x - Step 2: Convert to fraction form
136,655.64/205,013.16 = 41,886.18/x - Step 3: Cross multiply
136,655.64x = 205,013.16 × 41,886.18 - Step 4: Simplify right side
136,655.64x = 8,587,218,122.13 - Step 5: Solve for x
x = 8,587,218,122.13/136,655.64 - Step 6: Final answer
x = 62,838.37
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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.