Finding the Fourth Proportional to 252,461.08, 378,403.66 and 157,734.82
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Solution
The fourth proportional to 252,461.08, 378,403.66 and 157,734.82 is: 236,422.31
Step by Step Solution
- Step 1: Write the proportion equation
252,461.08 : 378,403.66 = 157,734.82 : x - Step 2: Convert to fraction form
252,461.08/378,403.66 = 157,734.82/x - Step 3: Cross multiply
252,461.08x = 378,403.66 × 157,734.82 - Step 4: Simplify right side
252,461.08x = 59,687,430,516.75 - Step 5: Solve for x
x = 59,687,430,516.75/252,461.08 - Step 6: Final answer
x = 236,422.31
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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.