Finding the Fourth Proportional to 385,193.21, 577,316.57 and 216,358.61
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Solution
The fourth proportional to 385,193.21, 577,316.57 and 216,358.61 is: 324,272.09
Step by Step Solution
- Step 1: Write the proportion equation
385,193.21 : 577,316.57 = 216,358.61 : x - Step 2: Convert to fraction form
385,193.21/577,316.57 = 216,358.61/x - Step 3: Cross multiply
385,193.21x = 577,316.57 × 216,358.61 - Step 4: Simplify right side
385,193.21x = 124,907,406,646.79 - Step 5: Solve for x
x = 124,907,406,646.79/385,193.21 - Step 6: Final answer
x = 324,272.09
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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.