Finding the Fourth Proportional to 642,584.08, 964,206.60 and 306,006.40
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Solution
The fourth proportional to 642,584.08, 964,206.60 and 306,006.40 is: 459,166.98
Step by Step Solution
- Step 1: Write the proportion equation
642,584.08 : 964,206.60 = 306,006.40 : x - Step 2: Convert to fraction form
642,584.08/964,206.60 = 306,006.40/x - Step 3: Cross multiply
642,584.08x = 964,206.60 × 306,006.40 - Step 4: Simplify right side
642,584.08x = 295,053,390,522.24 - Step 5: Solve for x
x = 295,053,390,522.24/642,584.08 - Step 6: Final answer
x = 459,166.98
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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.