Finding the Fourth Proportional to 434,078.92, 651,219.36 and 134,543.62
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Solution
The fourth proportional to 434,078.92, 651,219.36 and 134,543.62 is: 201,846.73
Step by Step Solution
- Step 1: Write the proportion equation
434,078.92 : 651,219.36 = 134,543.62 : x - Step 2: Convert to fraction form
434,078.92/651,219.36 = 134,543.62/x - Step 3: Cross multiply
434,078.92x = 651,219.36 × 134,543.62 - Step 4: Simplify right side
434,078.92x = 87,617,410,108.48 - Step 5: Solve for x
x = 87,617,410,108.48/434,078.92 - Step 6: Final answer
x = 201,846.73
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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.