Finding the Fourth Proportional to 339,616.26, 468,475.27 and 212,070.42
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Solution
The fourth proportional to 339,616.26, 468,475.27 and 212,070.42 is: 292,535.31
Step by Step Solution
- Step 1: Write the proportion equation
339,616.26 : 468,475.27 = 212,070.42 : x - Step 2: Convert to fraction form
339,616.26/468,475.27 = 212,070.42/x - Step 3: Cross multiply
339,616.26x = 468,475.27 × 212,070.42 - Step 4: Simplify right side
339,616.26x = 99,349,744,926.14 - Step 5: Solve for x
x = 99,349,744,926.14/339,616.26 - Step 6: Final answer
x = 292,535.31
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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.