Finding the Fourth Proportional to 117,299.63, 175,506.57 and 72,717.63
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Solution
The fourth proportional to 117,299.63, 175,506.57 and 72,717.63 is: 108,801.90
Step by Step Solution
- Step 1: Write the proportion equation
117,299.63 : 175,506.57 = 72,717.63 : x - Step 2: Convert to fraction form
117,299.63/175,506.57 = 72,717.63/x - Step 3: Cross multiply
117,299.63x = 175,506.57 × 72,717.63 - Step 4: Simplify right side
117,299.63x = 12,762,421,819.83 - Step 5: Solve for x
x = 12,762,421,819.83/117,299.63 - Step 6: Final answer
x = 108,801.90
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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.