Finding the Fourth Proportional to 263,713.73, 363,925.37 and 156,336.53
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Solution
The fourth proportional to 263,713.73, 363,925.37 and 156,336.53 is: 215,744.66
Step by Step Solution
- Step 1: Write the proportion equation
263,713.73 : 363,925.37 = 156,336.53 : x - Step 2: Convert to fraction form
263,713.73/363,925.37 = 156,336.53/x - Step 3: Cross multiply
263,713.73x = 363,925.37 × 156,336.53 - Step 4: Simplify right side
263,713.73x = 56,894,828,743.08 - Step 5: Solve for x
x = 56,894,828,743.08/263,713.73 - Step 6: Final answer
x = 215,744.66
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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.