Finding the Fourth Proportional to 306,859.52, 459,991.84 and 157,170.56
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Solution
The fourth proportional to 306,859.52, 459,991.84 and 157,170.56 is: 235,603.49
Step by Step Solution
- Step 1: Write the proportion equation
306,859.52 : 459,991.84 = 157,170.56 : x - Step 2: Convert to fraction form
306,859.52/459,991.84 = 157,170.56/x - Step 3: Cross multiply
306,859.52x = 459,991.84 × 157,170.56 - Step 4: Simplify right side
306,859.52x = 72,297,175,088.23 - Step 5: Solve for x
x = 72,297,175,088.23/306,859.52 - Step 6: Final answer
x = 235,603.49
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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.