Finding the Fourth Proportional to 274,604.93, 411,163.99 and 194,312.87
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Solution
The fourth proportional to 274,604.93, 411,163.99 and 194,312.87 is: 290,943.27
Step by Step Solution
- Step 1: Write the proportion equation
274,604.93 : 411,163.99 = 194,312.87 : x - Step 2: Convert to fraction form
274,604.93/411,163.99 = 194,312.87/x - Step 3: Cross multiply
274,604.93x = 411,163.99 × 194,312.87 - Step 4: Simplify right side
274,604.93x = 79,894,454,937.55 - Step 5: Solve for x
x = 79,894,454,937.55/274,604.93 - Step 6: Final answer
x = 290,943.27
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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.