Finding the Fourth Proportional to 329,317.87, 493,640.28 and 186,862.19
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Solution
The fourth proportional to 329,317.87, 493,640.28 and 186,862.19 is: 280,102.33
Step by Step Solution
- Step 1: Write the proportion equation
329,317.87 : 493,640.28 = 186,862.19 : x - Step 2: Convert to fraction form
329,317.87/493,640.28 = 186,862.19/x - Step 3: Cross multiply
329,317.87x = 493,640.28 × 186,862.19 - Step 4: Simplify right side
329,317.87x = 92,242,703,793.01 - Step 5: Solve for x
x = 92,242,703,793.01/329,317.87 - Step 6: Final answer
x = 280,102.33
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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.