Finding the Fourth Proportional to 515,721.72, 773,740.98 and 246,193.80
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Solution
The fourth proportional to 515,721.72, 773,740.98 and 246,193.80 is: 369,366.32
Step by Step Solution
- Step 1: Write the proportion equation
515,721.72 : 773,740.98 = 246,193.80 : x - Step 2: Convert to fraction form
515,721.72/773,740.98 = 246,193.80/x - Step 3: Cross multiply
515,721.72x = 773,740.98 × 246,193.80 - Step 4: Simplify right side
515,721.72x = 190,490,232,081.92 - Step 5: Solve for x
x = 190,490,232,081.92/515,721.72 - Step 6: Final answer
x = 369,366.32
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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.