Finding the Fourth Proportional to 182,342.16, 251,737.44 and 138,981.12
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Solution
The fourth proportional to 182,342.16, 251,737.44 and 138,981.12 is: 191,874.17
Step by Step Solution
- Step 1: Write the proportion equation
182,342.16 : 251,737.44 = 138,981.12 : x - Step 2: Convert to fraction form
182,342.16/251,737.44 = 138,981.12/x - Step 3: Cross multiply
182,342.16x = 251,737.44 × 138,981.12 - Step 4: Simplify right side
182,342.16x = 34,986,751,357.13 - Step 5: Solve for x
x = 34,986,751,357.13/182,342.16 - Step 6: Final answer
x = 191,874.17
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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.