Finding the Fourth Proportional to 319,755.42, 441,262.62 and 176,515.74
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Solution
The fourth proportional to 319,755.42, 441,262.62 and 176,515.74 is: 243,591.80
Step by Step Solution
- Step 1: Write the proportion equation
319,755.42 : 441,262.62 = 176,515.74 : x - Step 2: Convert to fraction form
319,755.42/441,262.62 = 176,515.74/x - Step 3: Cross multiply
319,755.42x = 441,262.62 × 176,515.74 - Step 4: Simplify right side
319,755.42x = 77,889,797,903.64 - Step 5: Solve for x
x = 77,889,797,903.64/319,755.42 - Step 6: Final answer
x = 243,591.80
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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.