Finding the Fourth Proportional to 245,517.27, 368,339.99 and 77,042.94
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Solution
The fourth proportional to 245,517.27, 368,339.99 and 77,042.94 is: 115,584.52
Step by Step Solution
- Step 1: Write the proportion equation
245,517.27 : 368,339.99 = 77,042.94 : x - Step 2: Convert to fraction form
245,517.27/368,339.99 = 77,042.94/x - Step 3: Cross multiply
245,517.27x = 368,339.99 × 77,042.94 - Step 4: Simplify right side
245,517.27x = 28,377,995,749.17 - Step 5: Solve for x
x = 28,377,995,749.17/245,517.27 - Step 6: Final answer
x = 115,584.52
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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.