Finding the Fourth Proportional to 229,509.29, 344,122.99 and 79,685.21
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Solution
The fourth proportional to 229,509.29, 344,122.99 and 79,685.21 is: 119,478.88
Step by Step Solution
- Step 1: Write the proportion equation
229,509.29 : 344,122.99 = 79,685.21 : x - Step 2: Convert to fraction form
229,509.29/344,122.99 = 79,685.21/x - Step 3: Cross multiply
229,509.29x = 344,122.99 × 79,685.21 - Step 4: Simplify right side
229,509.29x = 27,421,512,723.98 - Step 5: Solve for x
x = 27,421,512,723.98/229,509.29 - Step 6: Final answer
x = 119,478.88
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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.