Finding the Fourth Proportional to 319,730.88, 441,220.26 and 176,487.84
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Solution
The fourth proportional to 319,730.88, 441,220.26 and 176,487.84 is: 243,548.61
Step by Step Solution
- Step 1: Write the proportion equation
319,730.88 : 441,220.26 = 176,487.84 : x - Step 2: Convert to fraction form
319,730.88/441,220.26 = 176,487.84/x - Step 3: Cross multiply
319,730.88x = 441,220.26 × 176,487.84 - Step 4: Simplify right side
319,730.88x = 77,870,010,651.64 - Step 5: Solve for x
x = 77,870,010,651.64/319,730.88 - Step 6: Final answer
x = 243,548.61
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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.