Finding the Fourth Proportional to 127,040.22, 175,285.08 and 79,276.14
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Solution
The fourth proportional to 127,040.22, 175,285.08 and 79,276.14 is: 109,382.09
Step by Step Solution
- Step 1: Write the proportion equation
127,040.22 : 175,285.08 = 79,276.14 : x - Step 2: Convert to fraction form
127,040.22/175,285.08 = 79,276.14/x - Step 3: Cross multiply
127,040.22x = 175,285.08 × 79,276.14 - Step 4: Simplify right side
127,040.22x = 13,895,924,541.99 - Step 5: Solve for x
x = 13,895,924,541.99/127,040.22 - Step 6: Final answer
x = 109,382.09
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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.