Finding the Fourth Proportional to 328,646.19, 453,531.74 and 177,743.19
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Solution
The fourth proportional to 328,646.19, 453,531.74 and 177,743.19 is: 245,285.60
Step by Step Solution
- Step 1: Write the proportion equation
328,646.19 : 453,531.74 = 177,743.19 : x - Step 2: Convert to fraction form
328,646.19/453,531.74 = 177,743.19/x - Step 3: Cross multiply
328,646.19x = 453,531.74 × 177,743.19 - Step 4: Simplify right side
328,646.19x = 80,612,178,233.85 - Step 5: Solve for x
x = 80,612,178,233.85/328,646.19 - Step 6: Final answer
x = 245,285.60
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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.