Finding the Fourth Proportional to 342,537.40, 472,802.70 and 199,361.08
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Solution
The fourth proportional to 342,537.40, 472,802.70 and 199,361.08 is: 275,177.12
Step by Step Solution
- Step 1: Write the proportion equation
342,537.40 : 472,802.70 = 199,361.08 : x - Step 2: Convert to fraction form
342,537.40/472,802.70 = 199,361.08/x - Step 3: Cross multiply
342,537.40x = 472,802.70 × 199,361.08 - Step 4: Simplify right side
342,537.40x = 94,258,456,898.92 - Step 5: Solve for x
x = 94,258,456,898.92/342,537.40 - Step 6: Final answer
x = 275,177.12
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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.