Finding the Fourth Proportional to 248,105.76, 342,265.68 and 147,432.48
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Solution
The fourth proportional to 248,105.76, 342,265.68 and 147,432.48 is: 203,385.35
Step by Step Solution
- Step 1: Write the proportion equation
248,105.76 : 342,265.68 = 147,432.48 : x - Step 2: Convert to fraction form
248,105.76/342,265.68 = 147,432.48/x - Step 3: Cross multiply
248,105.76x = 342,265.68 × 147,432.48 - Step 4: Simplify right side
248,105.76x = 50,461,078,021.29 - Step 5: Solve for x
x = 50,461,078,021.29/248,105.76 - Step 6: Final answer
x = 203,385.35
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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.