Finding the Fourth Proportional to 385,193.46, 577,316.96 and 216,358.88
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Solution
The fourth proportional to 385,193.46, 577,316.96 and 216,358.88 is: 324,272.50
Step by Step Solution
- Step 1: Write the proportion equation
385,193.46 : 577,316.96 = 216,358.88 : x - Step 2: Convert to fraction form
385,193.46/577,316.96 = 216,358.88/x - Step 3: Cross multiply
385,193.46x = 577,316.96 × 216,358.88 - Step 4: Simplify right side
385,193.46x = 124,907,646,902.23 - Step 5: Solve for x
x = 124,907,646,902.23/385,193.46 - Step 6: Final answer
x = 324,272.50
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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.