Finding the Fourth Proportional to 557,106.88, 835,553.44 and 157,651.20
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Solution
The fourth proportional to 557,106.88, 835,553.44 and 157,651.20 is: 236,446.55
Step by Step Solution
- Step 1: Write the proportion equation
557,106.88 : 835,553.44 = 157,651.20 : x - Step 2: Convert to fraction form
557,106.88/835,553.44 = 157,651.20/x - Step 3: Cross multiply
557,106.88x = 835,553.44 × 157,651.20 - Step 4: Simplify right side
557,106.88x = 131,726,002,480.13 - Step 5: Solve for x
x = 131,726,002,480.13/557,106.88 - Step 6: Final answer
x = 236,446.55
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1.5x scale
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.