Finding the Fourth Proportional to 327,321.84, 449,746.62 and 260,137.20
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Solution
The fourth proportional to 327,321.84, 449,746.62 and 260,137.20 is: 357,433.61
Step by Step Solution
- Step 1: Write the proportion equation
327,321.84 : 449,746.62 = 260,137.20 : x - Step 2: Convert to fraction form
327,321.84/449,746.62 = 260,137.20/x - Step 3: Cross multiply
327,321.84x = 449,746.62 × 260,137.20 - Step 4: Simplify right side
327,321.84x = 116,995,826,436.26 - Step 5: Solve for x
x = 116,995,826,436.26/327,321.84 - Step 6: Final answer
x = 357,433.61
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.