Finding the Fourth Proportional to 207,316.62, 310,718.88 and 107,419.32
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Solution
The fourth proportional to 207,316.62, 310,718.88 and 107,419.32 is: 160,996.31
Step by Step Solution
- Step 1: Write the proportion equation
207,316.62 : 310,718.88 = 107,419.32 : x - Step 2: Convert to fraction form
207,316.62/310,718.88 = 107,419.32/x - Step 3: Cross multiply
207,316.62x = 310,718.88 × 107,419.32 - Step 4: Simplify right side
207,316.62x = 33,377,210,800.76 - Step 5: Solve for x
x = 33,377,210,800.76/207,316.62 - Step 6: Final answer
x = 160,996.31
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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.