Finding the Fourth Proportional to 204,701.13, 306,926.61 and 98,117.70
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Solution
The fourth proportional to 204,701.13, 306,926.61 and 98,117.70 is: 147,116.59
Step by Step Solution
- Step 1: Write the proportion equation
204,701.13 : 306,926.61 = 98,117.70 : x - Step 2: Convert to fraction form
204,701.13/306,926.61 = 98,117.70/x - Step 3: Cross multiply
204,701.13x = 306,926.61 × 98,117.70 - Step 4: Simplify right side
204,701.13x = 30,114,933,042.00 - Step 5: Solve for x
x = 30,114,933,042.00/204,701.13 - Step 6: Final answer
x = 147,116.59
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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.