Finding the Fourth Proportional to 344,872.18, 516,781.26 and 145,083.05
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Solution
The fourth proportional to 344,872.18, 516,781.26 and 145,083.05 is: 217,402.86
Step by Step Solution
- Step 1: Write the proportion equation
344,872.18 : 516,781.26 = 145,083.05 : x - Step 2: Convert to fraction form
344,872.18/516,781.26 = 145,083.05/x - Step 3: Cross multiply
344,872.18x = 516,781.26 × 145,083.05 - Step 4: Simplify right side
344,872.18x = 74,976,198,074.32 - Step 5: Solve for x
x = 74,976,198,074.32/344,872.18 - Step 6: Final answer
x = 217,402.86
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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.