Finding the Fourth Proportional to 319,883.42, 441,439.26 and 176,653.19
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Solution
The fourth proportional to 319,883.42, 441,439.26 and 176,653.19 is: 243,781.48
Step by Step Solution
- Step 1: Write the proportion equation
319,883.42 : 441,439.26 = 176,653.19 : x - Step 2: Convert to fraction form
319,883.42/441,439.26 = 176,653.19/x - Step 3: Cross multiply
319,883.42x = 441,439.26 × 176,653.19 - Step 4: Simplify right side
319,883.42x = 77,981,653,470.24 - Step 5: Solve for x
x = 77,981,653,470.24/319,883.42 - Step 6: Final answer
x = 243,781.48
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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.