Finding the Fourth Proportional to 161,709.49, 242,296.07 and 98,337.92
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Solution
The fourth proportional to 161,709.49, 242,296.07 and 98,337.92 is: 147,343.80
Step by Step Solution
- Step 1: Write the proportion equation
161,709.49 : 242,296.07 = 98,337.92 : x - Step 2: Convert to fraction form
161,709.49/242,296.07 = 98,337.92/x - Step 3: Cross multiply
161,709.49x = 242,296.07 × 98,337.92 - Step 4: Simplify right side
161,709.49x = 23,826,890,336.49 - Step 5: Solve for x
x = 23,826,890,336.49/161,709.49 - Step 6: Final answer
x = 147,343.80
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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.