Finding the Fourth Proportional to 92,286.92, 127,357.14 and 54,560.84
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Solution
The fourth proportional to 92,286.92, 127,357.14 and 54,560.84 is: 75,294.66
Step by Step Solution
- Step 1: Write the proportion equation
92,286.92 : 127,357.14 = 54,560.84 : x - Step 2: Convert to fraction form
92,286.92/127,357.14 = 54,560.84/x - Step 3: Cross multiply
92,286.92x = 127,357.14 × 54,560.84 - Step 4: Simplify right side
92,286.92x = 6,948,712,538.40 - Step 5: Solve for x
x = 6,948,712,538.40/92,286.92 - Step 6: Final answer
x = 75,294.66
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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.