Finding the Fourth Proportional to 198,252.18, 273,580.68 and 107,606.20
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Solution
The fourth proportional to 198,252.18, 273,580.68 and 107,606.20 is: 148,492.58
Step by Step Solution
- Step 1: Write the proportion equation
198,252.18 : 273,580.68 = 107,606.20 : x - Step 2: Convert to fraction form
198,252.18/273,580.68 = 107,606.20/x - Step 3: Cross multiply
198,252.18x = 273,580.68 × 107,606.20 - Step 4: Simplify right side
198,252.18x = 29,438,977,368.22 - Step 5: Solve for x
x = 29,438,977,368.22/198,252.18 - Step 6: Final answer
x = 148,492.58
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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.