Finding the Fourth Proportional to 315,086.26, 472,703.35 and 193,642.14
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Solution
The fourth proportional to 315,086.26, 472,703.35 and 193,642.14 is: 290,508.66
Step by Step Solution
- Step 1: Write the proportion equation
315,086.26 : 472,703.35 = 193,642.14 : x - Step 2: Convert to fraction form
315,086.26/472,703.35 = 193,642.14/x - Step 3: Cross multiply
315,086.26x = 472,703.35 × 193,642.14 - Step 4: Simplify right side
315,086.26x = 91,535,288,279.17 - Step 5: Solve for x
x = 91,535,288,279.17/315,086.26 - Step 6: Final answer
x = 290,508.66
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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.