Finding the Fourth Proportional to 342,537.36, 513,141.12 and 252,416.49
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Solution
The fourth proportional to 342,537.36, 513,141.12 and 252,416.49 is: 378,134.75
Step by Step Solution
- Step 1: Write the proportion equation
342,537.36 : 513,141.12 = 252,416.49 : x - Step 2: Convert to fraction form
342,537.36/513,141.12 = 252,416.49/x - Step 3: Cross multiply
342,537.36x = 513,141.12 × 252,416.49 - Step 4: Simplify right side
342,537.36x = 129,525,280,385.07 - Step 5: Solve for x
x = 129,525,280,385.07/342,537.36 - Step 6: Final answer
x = 378,134.75
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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.