Finding the Fourth Proportional to 274,468.46, 411,723.49 and 84,947.99
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Solution
The fourth proportional to 274,468.46, 411,723.49 and 84,947.99 is: 127,428.43
Step by Step Solution
- Step 1: Write the proportion equation
274,468.46 : 411,723.49 = 84,947.99 : x - Step 2: Convert to fraction form
274,468.46/411,723.49 = 84,947.99/x - Step 3: Cross multiply
274,468.46x = 411,723.49 × 84,947.99 - Step 4: Simplify right side
274,468.46x = 34,975,083,654.89 - Step 5: Solve for x
x = 34,975,083,654.89/274,468.46 - Step 6: Final answer
x = 127,428.43
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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.