Finding the Fourth Proportional to 117,197.26, 161,732.62 and 63,482.10
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Solution
The fourth proportional to 117,197.26, 161,732.62 and 63,482.10 is: 87,605.52
Step by Step Solution
- Step 1: Write the proportion equation
117,197.26 : 161,732.62 = 63,482.10 : x - Step 2: Convert to fraction form
117,197.26/161,732.62 = 63,482.10/x - Step 3: Cross multiply
117,197.26x = 161,732.62 × 63,482.10 - Step 4: Simplify right side
117,197.26x = 10,267,126,356.10 - Step 5: Solve for x
x = 10,267,126,356.10/117,197.26 - Step 6: Final answer
x = 87,605.52
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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.