Finding the Fourth Proportional to 493,161.38, 680,555.98 and 275,373.41
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Solution
The fourth proportional to 493,161.38, 680,555.98 and 275,373.41 is: 380,011.55
Step by Step Solution
- Step 1: Write the proportion equation
493,161.38 : 680,555.98 = 275,373.41 : x - Step 2: Convert to fraction form
493,161.38/680,555.98 = 275,373.41/x - Step 3: Cross multiply
493,161.38x = 680,555.98 × 275,373.41 - Step 4: Simplify right side
493,161.38x = 187,407,019,531.63 - Step 5: Solve for x
x = 187,407,019,531.63/493,161.38 - Step 6: Final answer
x = 380,011.55
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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.