Finding the Fourth Proportional to 342,534.12, 472,685.32 and 189,578.68
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Solution
The fourth proportional to 342,534.12, 472,685.32 and 189,578.68 is: 261,612.07
Step by Step Solution
- Step 1: Write the proportion equation
342,534.12 : 472,685.32 = 189,578.68 : x - Step 2: Convert to fraction form
342,534.12/472,685.32 = 189,578.68/x - Step 3: Cross multiply
342,534.12x = 472,685.32 × 189,578.68 - Step 4: Simplify right side
342,534.12x = 89,611,058,076.24 - Step 5: Solve for x
x = 89,611,058,076.24/342,534.12 - Step 6: Final answer
x = 261,612.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.