Finding the Fourth Proportional to 178,723.92, 246,638.68 and 98,152.14
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Solution
The fourth proportional to 178,723.92, 246,638.68 and 98,152.14 is: 135,449.77
Step by Step Solution
- Step 1: Write the proportion equation
178,723.92 : 246,638.68 = 98,152.14 : x - Step 2: Convert to fraction form
178,723.92/246,638.68 = 98,152.14/x - Step 3: Cross multiply
178,723.92x = 246,638.68 × 98,152.14 - Step 4: Simplify right side
178,723.92x = 24,208,114,248.78 - Step 5: Solve for x
x = 24,208,114,248.78/178,723.92 - Step 6: Final answer
x = 135,449.77
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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.