Finding the Fourth Proportional to 117,619.99, 176,459.70 and 51,043.93
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Solution
The fourth proportional to 117,619.99, 176,459.70 and 51,043.93 is: 76,578.79
Step by Step Solution
- Step 1: Write the proportion equation
117,619.99 : 176,459.70 = 51,043.93 : x - Step 2: Convert to fraction form
117,619.99/176,459.70 = 51,043.93/x - Step 3: Cross multiply
117,619.99x = 176,459.70 × 51,043.93 - Step 4: Simplify right side
117,619.99x = 9,007,196,574.62 - Step 5: Solve for x
x = 9,007,196,574.62/117,619.99 - Step 6: Final answer
x = 76,578.79
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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.