Finding the Fourth Proportional to 114,318.58, 157,757.93 and 63,331.21
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Solution
The fourth proportional to 114,318.58, 157,757.93 and 63,331.21 is: 87,396.12
Step by Step Solution
- Step 1: Write the proportion equation
114,318.58 : 157,757.93 = 63,331.21 : x - Step 2: Convert to fraction form
114,318.58/157,757.93 = 63,331.21/x - Step 3: Cross multiply
114,318.58x = 157,757.93 × 63,331.21 - Step 4: Simplify right side
114,318.58x = 9,990,999,805.21 - Step 5: Solve for x
x = 9,990,999,805.21/114,318.58 - Step 6: Final answer
x = 87,396.12
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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.