Finding the Fourth Proportional to 182,011.68, 251,175.12 and 101,442.72
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Solution
The fourth proportional to 182,011.68, 251,175.12 and 101,442.72 is: 139,990.40
Step by Step Solution
- Step 1: Write the proportion equation
182,011.68 : 251,175.12 = 101,442.72 : x - Step 2: Convert to fraction form
182,011.68/251,175.12 = 101,442.72/x - Step 3: Cross multiply
182,011.68x = 251,175.12 × 101,442.72 - Step 4: Simplify right side
182,011.68x = 25,479,887,369.13 - Step 5: Solve for x
x = 25,479,887,369.13/182,011.68 - Step 6: Final answer
x = 139,990.40
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1.5x scale
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.