Finding the Fourth Proportional to 157,490.08, 236,236.01 and 39,161.43
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Solution
The fourth proportional to 157,490.08, 236,236.01 and 39,161.43 is: 58,742.37
Step by Step Solution
- Step 1: Write the proportion equation
157,490.08 : 236,236.01 = 39,161.43 : x - Step 2: Convert to fraction form
157,490.08/236,236.01 = 39,161.43/x - Step 3: Cross multiply
157,490.08x = 236,236.01 × 39,161.43 - Step 4: Simplify right side
157,490.08x = 9,251,339,773.29 - Step 5: Solve for x
x = 9,251,339,773.29/157,490.08 - Step 6: Final answer
x = 58,742.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.