Finding the Fourth Proportional to 164,705.49, 227,293.65 and 89,253.99
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Solution
The fourth proportional to 164,705.49, 227,293.65 and 89,253.99 is: 123,170.55
Step by Step Solution
- Step 1: Write the proportion equation
164,705.49 : 227,293.65 = 89,253.99 : x - Step 2: Convert to fraction form
164,705.49/227,293.65 = 89,253.99/x - Step 3: Cross multiply
164,705.49x = 227,293.65 × 89,253.99 - Step 4: Simplify right side
164,705.49x = 20,286,865,164.16 - Step 5: Solve for x
x = 20,286,865,164.16/164,705.49 - Step 6: Final answer
x = 123,170.55
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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.