Finding the Fourth Proportional to 287,270.99, 430,906.02 and 286,855.46
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Solution
The fourth proportional to 287,270.99, 430,906.02 and 286,855.46 is: 430,282.73
Step by Step Solution
- Step 1: Write the proportion equation
287,270.99 : 430,906.02 = 286,855.46 : x - Step 2: Convert to fraction form
287,270.99/430,906.02 = 286,855.46/x - Step 3: Cross multiply
287,270.99x = 430,906.02 × 286,855.46 - Step 4: Simplify right side
287,270.99x = 123,607,744,583.87 - Step 5: Solve for x
x = 123,607,744,583.87/287,270.99 - Step 6: Final answer
x = 430,282.73
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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.