Finding the Fourth Proportional to 451,647.92, 623,285.58 and 247,706.96
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Solution
The fourth proportional to 451,647.92, 623,285.58 and 247,706.96 is: 341,841.88
Step by Step Solution
- Step 1: Write the proportion equation
451,647.92 : 623,285.58 = 247,706.96 : x - Step 2: Convert to fraction form
451,647.92/623,285.58 = 247,706.96/x - Step 3: Cross multiply
451,647.92x = 623,285.58 × 247,706.96 - Step 4: Simplify right side
451,647.92x = 154,392,176,862.95 - Step 5: Solve for x
x = 154,392,176,862.95/451,647.92 - Step 6: Final answer
x = 341,841.88
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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.