Finding the Fourth Proportional to 368,221.93, 551,880.62 and 190,627.69
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Solution
The fourth proportional to 368,221.93, 551,880.62 and 190,627.69 is: 285,707.39
Step by Step Solution
- Step 1: Write the proportion equation
368,221.93 : 551,880.62 = 190,627.69 : x - Step 2: Convert to fraction form
368,221.93/551,880.62 = 190,627.69/x - Step 3: Cross multiply
368,221.93x = 551,880.62 × 190,627.69 - Step 4: Simplify right side
368,221.93x = 105,203,726,793.23 - Step 5: Solve for x
x = 105,203,726,793.23/368,221.93 - Step 6: Final answer
x = 285,707.39
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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.