Finding the Fourth Proportional to 314,939.63, 434,624.97 and 194,160.71
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Solution
The fourth proportional to 314,939.63, 434,624.97 and 194,160.71 is: 267,946.88
Step by Step Solution
- Step 1: Write the proportion equation
314,939.63 : 434,624.97 = 194,160.71 : x - Step 2: Convert to fraction form
314,939.63/434,624.97 = 194,160.71/x - Step 3: Cross multiply
314,939.63x = 434,624.97 × 194,160.71 - Step 4: Simplify right side
314,939.63x = 84,387,092,758.93 - Step 5: Solve for x
x = 84,387,092,758.93/314,939.63 - Step 6: Final answer
x = 267,946.88
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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.