Finding the Fourth Proportional to 166,293.48, 249,523.62 and 77,553.96
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Solution
The fourth proportional to 166,293.48, 249,523.62 and 77,553.96 is: 116,369.84
Step by Step Solution
- Step 1: Write the proportion equation
166,293.48 : 249,523.62 = 77,553.96 : x - Step 2: Convert to fraction form
166,293.48/249,523.62 = 77,553.96/x - Step 3: Cross multiply
166,293.48x = 249,523.62 × 77,553.96 - Step 4: Simplify right side
166,293.48x = 19,351,544,844.54 - Step 5: Solve for x
x = 19,351,544,844.54/166,293.48 - Step 6: Final answer
x = 116,369.84
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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.