Finding the Fourth Proportional to 231,655.82, 346,895.66 and 194,117.18
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Solution
The fourth proportional to 231,655.82, 346,895.66 and 194,117.18 is: 290,682.99
Step by Step Solution
- Step 1: Write the proportion equation
231,655.82 : 346,895.66 = 194,117.18 : x - Step 2: Convert to fraction form
231,655.82/346,895.66 = 194,117.18/x - Step 3: Cross multiply
231,655.82x = 346,895.66 × 194,117.18 - Step 4: Simplify right side
231,655.82x = 67,338,407,273.44 - Step 5: Solve for x
x = 67,338,407,273.44/231,655.82 - Step 6: Final answer
x = 290,682.99
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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.