Finding the Fourth Proportional to 127,341.18, 175,657.62 and 79,511.49
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Solution
The fourth proportional to 127,341.18, 175,657.62 and 79,511.49 is: 109,680.15
Step by Step Solution
- Step 1: Write the proportion equation
127,341.18 : 175,657.62 = 79,511.49 : x - Step 2: Convert to fraction form
127,341.18/175,657.62 = 79,511.49/x - Step 3: Cross multiply
127,341.18x = 175,657.62 × 79,511.49 - Step 4: Simplify right side
127,341.18x = 13,966,799,394.22 - Step 5: Solve for x
x = 13,966,799,394.22/127,341.18 - Step 6: Final answer
x = 109,680.15
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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.