Finding the Fourth Proportional to 117,564.68, 176,359.44 and 38,678.96
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Solution
The fourth proportional to 117,564.68, 176,359.44 and 38,678.96 is: 58,022.53
Step by Step Solution
- Step 1: Write the proportion equation
117,564.68 : 176,359.44 = 38,678.96 : x - Step 2: Convert to fraction form
117,564.68/176,359.44 = 38,678.96/x - Step 3: Cross multiply
117,564.68x = 176,359.44 × 38,678.96 - Step 4: Simplify right side
117,564.68x = 6,821,399,725.38 - Step 5: Solve for x
x = 6,821,399,725.38/117,564.68 - Step 6: Final answer
x = 58,022.53
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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.