Finding the Fourth Proportional to 329,227.75, 493,838.02 and 79,909.75
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Solution
The fourth proportional to 329,227.75, 493,838.02 and 79,909.75 is: 119,863.75
Step by Step Solution
- Step 1: Write the proportion equation
329,227.75 : 493,838.02 = 79,909.75 : x - Step 2: Convert to fraction form
329,227.75/493,838.02 = 79,909.75/x - Step 3: Cross multiply
329,227.75x = 493,838.02 × 79,909.75 - Step 4: Simplify right side
329,227.75x = 39,462,472,718.70 - Step 5: Solve for x
x = 39,462,472,718.70/329,227.75 - Step 6: Final answer
x = 119,863.75
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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.