Finding the Fourth Proportional to 343,585.26, 474,170.10 and 198,397.18
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Solution
The fourth proportional to 343,585.26, 474,170.10 and 198,397.18 is: 273,801.07
Step by Step Solution
- Step 1: Write the proportion equation
343,585.26 : 474,170.10 = 198,397.18 : x - Step 2: Convert to fraction form
343,585.26/474,170.10 = 198,397.18/x - Step 3: Cross multiply
343,585.26x = 474,170.10 × 198,397.18 - Step 4: Simplify right side
343,585.26x = 94,074,010,680.32 - Step 5: Solve for x
x = 94,074,010,680.32/343,585.26 - Step 6: Final answer
x = 273,801.07
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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.