Finding the Fourth Proportional to 385,729.92, 578,373.21 and 205,593.48
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Solution
The fourth proportional to 385,729.92, 578,373.21 and 205,593.48 is: 308,272.07
Step by Step Solution
- Step 1: Write the proportion equation
385,729.92 : 578,373.21 = 205,593.48 : x - Step 2: Convert to fraction form
385,729.92/578,373.21 = 205,593.48/x - Step 3: Cross multiply
385,729.92x = 578,373.21 × 205,593.48 - Step 4: Simplify right side
385,729.92x = 118,909,760,982.67 - Step 5: Solve for x
x = 118,909,760,982.67/385,729.92 - Step 6: Final answer
x = 308,272.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.