Finding the Fourth Proportional to 312,132.58, 430,748.49 and 176,193.70
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Solution
The fourth proportional to 312,132.58, 430,748.49 and 176,193.70 is: 243,150.43
Step by Step Solution
- Step 1: Write the proportion equation
312,132.58 : 430,748.49 = 176,193.70 : x - Step 2: Convert to fraction form
312,132.58/430,748.49 = 176,193.70/x - Step 3: Cross multiply
312,132.58x = 430,748.49 × 176,193.70 - Step 4: Simplify right side
312,132.58x = 75,895,170,222.51 - Step 5: Solve for x
x = 75,895,170,222.51/312,132.58 - Step 6: Final answer
x = 243,150.43
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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.