Finding the Fourth Proportional to 278,275.82, 417,446.99 and 98,324.00
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Solution
The fourth proportional to 278,275.82, 417,446.99 and 98,324.00 is: 147,497.75
Step by Step Solution
- Step 1: Write the proportion equation
278,275.82 : 417,446.99 = 98,324.00 : x - Step 2: Convert to fraction form
278,275.82/417,446.99 = 98,324.00/x - Step 3: Cross multiply
278,275.82x = 417,446.99 × 98,324.00 - Step 4: Simplify right side
278,275.82x = 41,045,055,265.91 - Step 5: Solve for x
x = 41,045,055,265.91/278,275.82 - Step 6: Final answer
x = 147,497.75
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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.