Finding the Fourth Proportional to 382,274.28, 573,480.54 and 157,509.68
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Solution
The fourth proportional to 382,274.28, 573,480.54 and 157,509.68 is: 236,292.99
Step by Step Solution
- Step 1: Write the proportion equation
382,274.28 : 573,480.54 = 157,509.68 : x - Step 2: Convert to fraction form
382,274.28/573,480.54 = 157,509.68/x - Step 3: Cross multiply
382,274.28x = 573,480.54 × 157,509.68 - Step 4: Simplify right side
382,274.28x = 90,328,733,474.22 - Step 5: Solve for x
x = 90,328,733,474.22/382,274.28 - Step 6: Final answer
x = 236,292.99
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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.