Finding the Fourth Proportional to 319,822.20, 441,352.62 and 176,580.99
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Solution
The fourth proportional to 319,822.20, 441,352.62 and 176,580.99 is: 243,680.65
Step by Step Solution
- Step 1: Write the proportion equation
319,822.20 : 441,352.62 = 176,580.99 : x - Step 2: Convert to fraction form
319,822.20/441,352.62 = 176,580.99/x - Step 3: Cross multiply
319,822.20x = 441,352.62 × 176,580.99 - Step 4: Simplify right side
319,822.20x = 77,934,482,578.69 - Step 5: Solve for x
x = 77,934,482,578.69/319,822.20 - Step 6: Final answer
x = 243,680.65
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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.