Finding the Fourth Proportional to 311,472.13, 467,316.62 and 98,272.96
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Solution
The fourth proportional to 311,472.13, 467,316.62 and 98,272.96 is: 147,443.65
Step by Step Solution
- Step 1: Write the proportion equation
311,472.13 : 467,316.62 = 98,272.96 : x - Step 2: Convert to fraction form
311,472.13/467,316.62 = 98,272.96/x - Step 3: Cross multiply
311,472.13x = 467,316.62 × 98,272.96 - Step 4: Simplify right side
311,472.13x = 45,924,587,504.60 - Step 5: Solve for x
x = 45,924,587,504.60/311,472.13 - Step 6: Final answer
x = 147,443.65
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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.