Finding the Fourth Proportional to 98,644.88, 148,015.84 and 61,195.28
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Solution
The fourth proportional to 98,644.88, 148,015.84 and 61,195.28 is: 91,823.02
Step by Step Solution
- Step 1: Write the proportion equation
98,644.88 : 148,015.84 = 61,195.28 : x - Step 2: Convert to fraction form
98,644.88/148,015.84 = 61,195.28/x - Step 3: Cross multiply
98,644.88x = 148,015.84 × 61,195.28 - Step 4: Simplify right side
98,644.88x = 9,057,870,773.24 - Step 5: Solve for x
x = 9,057,870,773.24/98,644.88 - Step 6: Final answer
x = 91,823.02
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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.