Finding the Fourth Proportional to 519,150.43, 716,580.81 and 304,336.99
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Solution
The fourth proportional to 519,150.43, 716,580.81 and 304,336.99 is: 420,074.86
Step by Step Solution
- Step 1: Write the proportion equation
519,150.43 : 716,580.81 = 304,336.99 : x - Step 2: Convert to fraction form
519,150.43/716,580.81 = 304,336.99/x - Step 3: Cross multiply
519,150.43x = 716,580.81 × 304,336.99 - Step 4: Simplify right side
519,150.43x = 218,082,041,702.57 - Step 5: Solve for x
x = 218,082,041,702.57/519,150.43 - Step 6: Final answer
x = 420,074.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.