Finding the Fourth Proportional to 211,141.26, 316,737.99 and 69,000.84
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Solution
The fourth proportional to 211,141.26, 316,737.99 and 69,000.84 is: 103,509.79
Step by Step Solution
- Step 1: Write the proportion equation
211,141.26 : 316,737.99 = 69,000.84 : x - Step 2: Convert to fraction form
211,141.26/316,737.99 = 69,000.84/x - Step 3: Cross multiply
211,141.26x = 316,737.99 × 69,000.84 - Step 4: Simplify right side
211,141.26x = 21,855,187,369.91 - Step 5: Solve for x
x = 21,855,187,369.91/211,141.26 - Step 6: Final answer
x = 103,509.79
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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.