Finding the Fourth Proportional to 430,734.40, 645,748.32 and 194,006.08
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Solution
The fourth proportional to 430,734.40, 645,748.32 and 194,006.08 is: 290,850.00
Step by Step Solution
- Step 1: Write the proportion equation
430,734.40 : 645,748.32 = 194,006.08 : x - Step 2: Convert to fraction form
430,734.40/645,748.32 = 194,006.08/x - Step 3: Cross multiply
430,734.40x = 645,748.32 × 194,006.08 - Step 4: Simplify right side
430,734.40x = 125,279,100,229.79 - Step 5: Solve for x
x = 125,279,100,229.79/430,734.40 - Step 6: Final answer
x = 290,850.00
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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.