Finding the Fourth Proportional to 342,631.38, 514,052.24 and 153,251.09
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Solution
The fourth proportional to 342,631.38, 514,052.24 and 153,251.09 is: 229,923.68
Step by Step Solution
- Step 1: Write the proportion equation
342,631.38 : 514,052.24 = 153,251.09 : x - Step 2: Convert to fraction form
342,631.38/514,052.24 = 153,251.09/x - Step 3: Cross multiply
342,631.38x = 514,052.24 × 153,251.09 - Step 4: Simplify right side
342,631.38x = 78,779,066,096.94 - Step 5: Solve for x
x = 78,779,066,096.94/342,631.38 - Step 6: Final answer
x = 229,923.68
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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.