Finding the Fourth Proportional to 429,750.09, 644,224.47 and 145,241.70
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Solution
The fourth proportional to 429,750.09, 644,224.47 and 145,241.70 is: 217,727.14
Step by Step Solution
- Step 1: Write the proportion equation
429,750.09 : 644,224.47 = 145,241.70 : x - Step 2: Convert to fraction form
429,750.09/644,224.47 = 145,241.70/x - Step 3: Cross multiply
429,750.09x = 644,224.47 × 145,241.70 - Step 4: Simplify right side
429,750.09x = 93,568,257,204.40 - Step 5: Solve for x
x = 93,568,257,204.40/429,750.09 - Step 6: Final answer
x = 217,727.14
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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.