Finding the Fourth Proportional to 198,299.98, 273,654.30 and 107,655.94
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Solution
The fourth proportional to 198,299.98, 273,654.30 and 107,655.94 is: 148,565.38
Step by Step Solution
- Step 1: Write the proportion equation
198,299.98 : 273,654.30 = 107,655.94 : x - Step 2: Convert to fraction form
198,299.98/273,654.30 = 107,655.94/x - Step 3: Cross multiply
198,299.98x = 273,654.30 × 107,655.94 - Step 4: Simplify right side
198,299.98x = 29,460,510,901.54 - Step 5: Solve for x
x = 29,460,510,901.54/198,299.98 - Step 6: Final answer
x = 148,565.38
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1.5x scale
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.