Finding the Fourth Proportional to 508,747.75, 763,136.21 and 134,770.75
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Solution
The fourth proportional to 508,747.75, 763,136.21 and 134,770.75 is: 202,159.99
Step by Step Solution
- Step 1: Write the proportion equation
508,747.75 : 763,136.21 = 134,770.75 : x - Step 2: Convert to fraction form
508,747.75/763,136.21 = 134,770.75/x - Step 3: Cross multiply
508,747.75x = 763,136.21 × 134,770.75 - Step 4: Simplify right side
508,747.75x = 102,848,439,373.86 - Step 5: Solve for x
x = 102,848,439,373.86/508,747.75 - Step 6: Final answer
x = 202,159.99
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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.