Finding the Fourth Proportional to 343,586.26, 474,171.48 and 198,398.18
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Solution
The fourth proportional to 343,586.26, 474,171.48 and 198,398.18 is: 273,802.45
Step by Step Solution
- Step 1: Write the proportion equation
343,586.26 : 474,171.48 = 198,398.18 : x - Step 2: Convert to fraction form
343,586.26/474,171.48 = 198,398.18/x - Step 3: Cross multiply
343,586.26x = 474,171.48 × 198,398.18 - Step 4: Simplify right side
343,586.26x = 94,074,758,639.91 - Step 5: Solve for x
x = 94,074,758,639.91/343,586.26 - Step 6: Final answer
x = 273,802.45
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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.