Finding the Fourth Proportional to 198,204.13, 273,521.87 and 107,560.09
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Solution
The fourth proportional to 198,204.13, 273,521.87 and 107,560.09 is: 148,433.02
Step by Step Solution
- Step 1: Write the proportion equation
198,204.13 : 273,521.87 = 107,560.09 : x - Step 2: Convert to fraction form
198,204.13/273,521.87 = 107,560.09/x - Step 3: Cross multiply
198,204.13x = 273,521.87 × 107,560.09 - Step 4: Simplify right side
198,204.13x = 29,420,038,178.66 - Step 5: Solve for x
x = 29,420,038,178.66/198,204.13 - Step 6: Final answer
x = 148,433.02
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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.