Finding the Fourth Proportional to 118,392.24, 178,387.60 and 97,793.74
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Solution
The fourth proportional to 118,392.24, 178,387.60 and 97,793.74 is: 147,350.79
Step by Step Solution
- Step 1: Write the proportion equation
118,392.24 : 178,387.60 = 97,793.74 : x - Step 2: Convert to fraction form
118,392.24/178,387.60 = 97,793.74/x - Step 3: Cross multiply
118,392.24x = 178,387.60 × 97,793.74 - Step 4: Simplify right side
118,392.24x = 17,445,190,573.62 - Step 5: Solve for x
x = 17,445,190,573.62/118,392.24 - Step 6: Final answer
x = 147,350.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.