Finding the Fourth Proportional to 198,202.08, 273,517.44 and 107,555.76
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Solution
The fourth proportional to 198,202.08, 273,517.44 and 107,555.76 is: 148,426.17
Step by Step Solution
- Step 1: Write the proportion equation
198,202.08 : 273,517.44 = 107,555.76 : x - Step 2: Convert to fraction form
198,202.08/273,517.44 = 107,555.76/x - Step 3: Cross multiply
198,202.08x = 273,517.44 × 107,555.76 - Step 4: Simplify right side
198,202.08x = 29,418,376,132.45 - Step 5: Solve for x
x = 29,418,376,132.45/198,202.08 - Step 6: Final answer
x = 148,426.17
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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.