Finding the Fourth Proportional to 178,445.13, 246,261.17 and 97,876.05
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Solution
The fourth proportional to 178,445.13, 246,261.17 and 97,876.05 is: 135,072.73
Step by Step Solution
- Step 1: Write the proportion equation
178,445.13 : 246,261.17 = 97,876.05 : x - Step 2: Convert to fraction form
178,445.13/246,261.17 = 97,876.05/x - Step 3: Cross multiply
178,445.13x = 246,261.17 × 97,876.05 - Step 4: Simplify right side
178,445.13x = 24,103,070,832.67 - Step 5: Solve for x
x = 24,103,070,832.67/178,445.13 - Step 6: Final answer
x = 135,072.73
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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.