Finding the Fourth Proportional to 355,182.68, 490,151.76 and 204,279.68
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Solution
The fourth proportional to 355,182.68, 490,151.76 and 204,279.68 is: 281,905.76
Step by Step Solution
- Step 1: Write the proportion equation
355,182.68 : 490,151.76 = 204,279.68 : x - Step 2: Convert to fraction form
355,182.68/490,151.76 = 204,279.68/x - Step 3: Cross multiply
355,182.68x = 490,151.76 × 204,279.68 - Step 4: Simplify right side
355,182.68x = 100,128,044,684.24 - Step 5: Solve for x
x = 100,128,044,684.24/355,182.68 - Step 6: Final answer
x = 281,905.76
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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.