Finding the Fourth Proportional to 178,428.35, 246,234.29 and 97,855.18
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Solution
The fourth proportional to 178,428.35, 246,234.29 and 97,855.18 is: 135,041.88
Step by Step Solution
- Step 1: Write the proportion equation
178,428.35 : 246,234.29 = 97,855.18 : x - Step 2: Convert to fraction form
178,428.35/246,234.29 = 97,855.18/x - Step 3: Cross multiply
178,428.35x = 246,234.29 × 97,855.18 - Step 4: Simplify right side
178,428.35x = 24,095,299,665.26 - Step 5: Solve for x
x = 24,095,299,665.26/178,428.35 - Step 6: Final answer
x = 135,041.88
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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.