Finding the Fourth Proportional to 228,572.26, 342,880.93 and 78,792.84
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Solution
The fourth proportional to 228,572.26, 342,880.93 and 78,792.84 is: 118,197.03
Step by Step Solution
- Step 1: Write the proportion equation
228,572.26 : 342,880.93 = 78,792.84 : x - Step 2: Convert to fraction form
228,572.26/342,880.93 = 78,792.84/x - Step 3: Cross multiply
228,572.26x = 342,880.93 × 78,792.84 - Step 4: Simplify right side
228,572.26x = 27,016,562,256.54 - Step 5: Solve for x
x = 27,016,562,256.54/228,572.26 - Step 6: Final answer
x = 118,197.03
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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.