Finding the Fourth Proportional to 98,017.98, 147,046.10 and 31,452.99
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Solution
The fourth proportional to 98,017.98, 147,046.10 and 31,452.99 is: 47,185.62
Step by Step Solution
- Step 1: Write the proportion equation
98,017.98 : 147,046.10 = 31,452.99 : x - Step 2: Convert to fraction form
98,017.98/147,046.10 = 31,452.99/x - Step 3: Cross multiply
98,017.98x = 147,046.10 × 31,452.99 - Step 4: Simplify right side
98,017.98x = 4,625,039,512.84 - Step 5: Solve for x
x = 4,625,039,512.84/98,017.98 - Step 6: Final answer
x = 47,185.62
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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.