Finding the Fourth Proportional to 237,556.98, 356,387.36 and 79,781.31
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Solution
The fourth proportional to 237,556.98, 356,387.36 and 79,781.31 is: 119,689.39
Step by Step Solution
- Step 1: Write the proportion equation
237,556.98 : 356,387.36 = 79,781.31 : x - Step 2: Convert to fraction form
237,556.98/356,387.36 = 79,781.31/x - Step 3: Cross multiply
237,556.98x = 356,387.36 × 79,781.31 - Step 4: Simplify right side
237,556.98x = 28,433,050,049.34 - Step 5: Solve for x
x = 28,433,050,049.34/237,556.98 - Step 6: Final answer
x = 119,689.39
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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.