Finding the Fourth Proportional to 647,528.88, 970,739.38 and 248,456.05
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Solution
The fourth proportional to 647,528.88, 970,739.38 and 248,456.05 is: 372,471.53
Step by Step Solution
- Step 1: Write the proportion equation
647,528.88 : 970,739.38 = 248,456.05 : x - Step 2: Convert to fraction form
647,528.88/970,739.38 = 248,456.05/x - Step 3: Cross multiply
647,528.88x = 970,739.38 × 248,456.05 - Step 4: Simplify right side
647,528.88x = 241,186,071,934.25 - Step 5: Solve for x
x = 241,186,071,934.25/647,528.88 - Step 6: Final answer
x = 372,471.53
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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.