Finding the Fourth Proportional to 99,702.99, 149,582.75 and 40,581.09
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Solution
The fourth proportional to 99,702.99, 149,582.75 and 40,581.09 is: 60,883.14
Step by Step Solution
- Step 1: Write the proportion equation
99,702.99 : 149,582.75 = 40,581.09 : x - Step 2: Convert to fraction form
99,702.99/149,582.75 = 40,581.09/x - Step 3: Cross multiply
99,702.99x = 149,582.75 × 40,581.09 - Step 4: Simplify right side
99,702.99x = 6,070,230,837.29 - Step 5: Solve for x
x = 6,070,230,837.29/99,702.99 - Step 6: Final answer
x = 60,883.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.