Finding the Fourth Proportional to 304,158.92, 419,742.05 and 168,202.09
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Solution
The fourth proportional to 304,158.92, 419,742.05 and 168,202.09 is: 232,120.40
Step by Step Solution
- Step 1: Write the proportion equation
304,158.92 : 419,742.05 = 168,202.09 : x - Step 2: Convert to fraction form
304,158.92/419,742.05 = 168,202.09/x - Step 3: Cross multiply
304,158.92x = 419,742.05 × 168,202.09 - Step 4: Simplify right side
304,158.92x = 70,601,490,070.88 - Step 5: Solve for x
x = 70,601,490,070.88/304,158.92 - Step 6: Final answer
x = 232,120.40
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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.