Finding the Fourth Proportional to 178,161.64, 245,853.46 and 97,573.88
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Solution
The fourth proportional to 178,161.64, 245,853.46 and 97,573.88 is: 134,646.70
Step by Step Solution
- Step 1: Write the proportion equation
178,161.64 : 245,853.46 = 97,573.88 : x - Step 2: Convert to fraction form
178,161.64/245,853.46 = 97,573.88/x - Step 3: Cross multiply
178,161.64x = 245,853.46 × 97,573.88 - Step 4: Simplify right side
178,161.64x = 23,988,876,003.62 - Step 5: Solve for x
x = 23,988,876,003.62/178,161.64 - Step 6: Final answer
x = 134,646.70
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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.