Finding the Fourth Proportional to 576,107.20, 863,431.80 and 220,646.80
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Solution
The fourth proportional to 576,107.20, 863,431.80 and 220,646.80 is: 330,691.00
Step by Step Solution
- Step 1: Write the proportion equation
576,107.20 : 863,431.80 = 220,646.80 : x - Step 2: Convert to fraction form
576,107.20/863,431.80 = 220,646.80/x - Step 3: Cross multiply
576,107.20x = 863,431.80 × 220,646.80 - Step 4: Simplify right side
576,107.20x = 190,513,463,688.24 - Step 5: Solve for x
x = 190,513,463,688.24/576,107.20 - Step 6: Final answer
x = 330,691.00
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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.