Finding the Fourth Proportional to 385,190.26, 577,312.14 and 216,355.68
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Solution
The fourth proportional to 385,190.26, 577,312.14 and 216,355.68 is: 324,267.70
Step by Step Solution
- Step 1: Write the proportion equation
385,190.26 : 577,312.14 = 216,355.68 : x - Step 2: Convert to fraction form
385,190.26/577,312.14 = 216,355.68/x - Step 3: Cross multiply
385,190.26x = 577,312.14 × 216,355.68 - Step 4: Simplify right side
385,190.26x = 124,904,760,621.96 - Step 5: Solve for x
x = 124,904,760,621.96/385,190.26 - Step 6: Final answer
x = 324,267.70
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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.