Finding the Fourth Proportional to 351,577.70, 527,163.42 and 309,542.12
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Solution
The fourth proportional to 351,577.70, 527,163.42 and 309,542.12 is: 464,134.34
Step by Step Solution
- Step 1: Write the proportion equation
351,577.70 : 527,163.42 = 309,542.12 : x - Step 2: Convert to fraction form
351,577.70/527,163.42 = 309,542.12/x - Step 3: Cross multiply
351,577.70x = 527,163.42 × 309,542.12 - Step 4: Simplify right side
351,577.70x = 163,179,282,613.25 - Step 5: Solve for x
x = 163,179,282,613.25/351,577.70 - Step 6: Final answer
x = 464,134.34
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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.