Finding the Fourth Proportional to 167,686.30, 251,468.58 and 91,841.18
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Solution
The fourth proportional to 167,686.30, 251,468.58 and 91,841.18 is: 137,728.43
Step by Step Solution
- Step 1: Write the proportion equation
167,686.30 : 251,468.58 = 91,841.18 : x - Step 2: Convert to fraction form
167,686.30/251,468.58 = 91,841.18/x - Step 3: Cross multiply
167,686.30x = 251,468.58 × 91,841.18 - Step 4: Simplify right side
167,686.30x = 23,095,170,207.19 - Step 5: Solve for x
x = 23,095,170,207.19/167,686.30 - Step 6: Final answer
x = 137,728.43
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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.