Finding the Fourth Proportional to 385,773.06, 578,108.17 and 216,938.99
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Solution
The fourth proportional to 385,773.06, 578,108.17 and 216,938.99 is: 325,098.40
Step by Step Solution
- Step 1: Write the proportion equation
385,773.06 : 578,108.17 = 216,938.99 : x - Step 2: Convert to fraction form
385,773.06/578,108.17 = 216,938.99/x - Step 3: Cross multiply
385,773.06x = 578,108.17 × 216,938.99 - Step 4: Simplify right side
385,773.06x = 125,414,204,226.99 - Step 5: Solve for x
x = 125,414,204,226.99/385,773.06 - Step 6: Final answer
x = 325,098.40
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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.