Finding the Fourth Proportional to 127,336.40, 175,260.36 and 91,470.80
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Solution
The fourth proportional to 127,336.40, 175,260.36 and 91,470.80 is: 125,896.49
Step by Step Solution
- Step 1: Write the proportion equation
127,336.40 : 175,260.36 = 91,470.80 : x - Step 2: Convert to fraction form
127,336.40/175,260.36 = 91,470.80/x - Step 3: Cross multiply
127,336.40x = 175,260.36 × 91,470.80 - Step 4: Simplify right side
127,336.40x = 16,031,205,337.49 - Step 5: Solve for x
x = 16,031,205,337.49/127,336.40 - Step 6: Final answer
x = 125,896.49
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1.5x scale
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.