Finding the Fourth Proportional to 178,489.10, 246,316.84 and 97,916.78
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Solution
The fourth proportional to 178,489.10, 246,316.84 and 97,916.78 is: 135,126.19
Step by Step Solution
- Step 1: Write the proportion equation
178,489.10 : 246,316.84 = 97,916.78 : x - Step 2: Convert to fraction form
178,489.10/246,316.84 = 97,916.78/x - Step 3: Cross multiply
178,489.10x = 246,316.84 × 97,916.78 - Step 4: Simplify right side
178,489.10x = 24,118,551,832.58 - Step 5: Solve for x
x = 24,118,551,832.58/178,489.10 - Step 6: Final answer
x = 135,126.19
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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.