Finding the Fourth Proportional to 178,682.49, 246,580.11 and 98,109.31
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Solution
The fourth proportional to 178,682.49, 246,580.11 and 98,109.31 is: 135,389.90
Step by Step Solution
- Step 1: Write the proportion equation
178,682.49 : 246,580.11 = 98,109.31 : x - Step 2: Convert to fraction form
178,682.49/246,580.11 = 98,109.31/x - Step 3: Cross multiply
178,682.49x = 246,580.11 × 98,109.31 - Step 4: Simplify right side
178,682.49x = 24,191,804,451.82 - Step 5: Solve for x
x = 24,191,804,451.82/178,682.49 - Step 6: Final answer
x = 135,389.90
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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.