Finding the Fourth Proportional to 178,094.08, 245,755.20 and 102,647.68
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Solution
The fourth proportional to 178,094.08, 245,755.20 and 102,647.68 is: 141,645.37
Step by Step Solution
- Step 1: Write the proportion equation
178,094.08 : 245,755.20 = 102,647.68 : x - Step 2: Convert to fraction form
178,094.08/245,755.20 = 102,647.68/x - Step 3: Cross multiply
178,094.08x = 245,755.20 × 102,647.68 - Step 4: Simplify right side
178,094.08x = 25,226,201,127.94 - Step 5: Solve for x
x = 25,226,201,127.94/178,094.08 - Step 6: Final answer
x = 141,645.37
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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.