Finding the Fourth Proportional to 178,402.08, 246,192.84 and 102,948.96
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Solution
The fourth proportional to 178,402.08, 246,192.84 and 102,948.96 is: 142,068.39
Step by Step Solution
- Step 1: Write the proportion equation
178,402.08 : 246,192.84 = 102,948.96 : x - Step 2: Convert to fraction form
178,402.08/246,192.84 = 102,948.96/x - Step 3: Cross multiply
178,402.08x = 246,192.84 × 102,948.96 - Step 4: Simplify right side
178,402.08x = 25,345,296,837.45 - Step 5: Solve for x
x = 25,345,296,837.45/178,402.08 - Step 6: Final answer
x = 142,068.39
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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.