Finding the Fourth Proportional to 342,248.97, 472,113.97 and 198,993.18
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Solution
The fourth proportional to 342,248.97, 472,113.97 and 198,993.18 is: 274,500.34
Step by Step Solution
- Step 1: Write the proportion equation
342,248.97 : 472,113.97 = 198,993.18 : x - Step 2: Convert to fraction form
342,248.97/472,113.97 = 198,993.18/x - Step 3: Cross multiply
342,248.97x = 472,113.97 × 198,993.18 - Step 4: Simplify right side
342,248.97x = 93,947,460,212.72 - Step 5: Solve for x
x = 93,947,460,212.72/342,248.97 - Step 6: Final answer
x = 274,500.34
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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.