Finding the Fourth Proportional to 97,797.54, 146,695.14 and 31,236.78
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Solution
The fourth proportional to 97,797.54, 146,695.14 and 31,236.78 is: 46,854.80
Step by Step Solution
- Step 1: Write the proportion equation
97,797.54 : 146,695.14 = 31,236.78 : x - Step 2: Convert to fraction form
97,797.54/146,695.14 = 31,236.78/x - Step 3: Cross multiply
97,797.54x = 146,695.14 × 31,236.78 - Step 4: Simplify right side
97,797.54x = 4,582,283,815.25 - Step 5: Solve for x
x = 4,582,283,815.25/97,797.54 - Step 6: Final answer
x = 46,854.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.