Finding the Fourth Proportional to 518,175.97, 777,263.94 and 202,411.42
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Solution
The fourth proportional to 518,175.97, 777,263.94 and 202,411.42 is: 303,617.12
Step by Step Solution
- Step 1: Write the proportion equation
518,175.97 : 777,263.94 = 202,411.42 : x - Step 2: Convert to fraction form
518,175.97/777,263.94 = 202,411.42/x - Step 3: Cross multiply
518,175.97x = 777,263.94 × 202,411.42 - Step 4: Simplify right side
518,175.97x = 157,327,097,810.20 - Step 5: Solve for x
x = 157,327,097,810.20/518,175.97 - Step 6: Final answer
x = 303,617.12
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Similar ratio
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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.