Finding the Fourth Proportional to 198,206.59, 273,525.81 and 107,562.53
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Solution
The fourth proportional to 198,206.59, 273,525.81 and 107,562.53 is: 148,436.67
Step by Step Solution
- Step 1: Write the proportion equation
198,206.59 : 273,525.81 = 107,562.53 : x - Step 2: Convert to fraction form
198,206.59/273,525.81 = 107,562.53/x - Step 3: Cross multiply
198,206.59x = 273,525.81 × 107,562.53 - Step 4: Simplify right side
198,206.59x = 29,421,126,776.27 - Step 5: Solve for x
x = 29,421,126,776.27/198,206.59 - Step 6: Final answer
x = 148,436.67
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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.