Finding the Fourth Proportional to 198,447.95, 273,857.08 and 107,803.18
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Solution
The fourth proportional to 198,447.95, 273,857.08 and 107,803.18 is: 148,767.80
Step by Step Solution
- Step 1: Write the proportion equation
198,447.95 : 273,857.08 = 107,803.18 : x - Step 2: Convert to fraction form
198,447.95/273,857.08 = 107,803.18/x - Step 3: Cross multiply
198,447.95x = 273,857.08 × 107,803.18 - Step 4: Simplify right side
198,447.95x = 29,522,664,089.51 - Step 5: Solve for x
x = 29,522,664,089.51/198,447.95 - Step 6: Final answer
x = 148,767.80
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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.