Finding the Fourth Proportional to 353,394.75, 487,684.77 and 194,418.75
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Solution
The fourth proportional to 353,394.75, 487,684.77 and 194,418.75 is: 268,297.88
Step by Step Solution
- Step 1: Write the proportion equation
353,394.75 : 487,684.77 = 194,418.75 : x - Step 2: Convert to fraction form
353,394.75/487,684.77 = 194,418.75/x - Step 3: Cross multiply
353,394.75x = 487,684.77 × 194,418.75 - Step 4: Simplify right side
353,394.75x = 94,815,063,377.44 - Step 5: Solve for x
x = 94,815,063,377.44/353,394.75 - Step 6: Final answer
x = 268,297.88
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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.