Finding the Fourth Proportional to 250,939.62, 346,319.82 and 143,488.26
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Solution
The fourth proportional to 250,939.62, 346,319.82 and 143,488.26 is: 198,027.03
Step by Step Solution
- Step 1: Write the proportion equation
250,939.62 : 346,319.82 = 143,488.26 : x - Step 2: Convert to fraction form
250,939.62/346,319.82 = 143,488.26/x - Step 3: Cross multiply
250,939.62x = 346,319.82 × 143,488.26 - Step 4: Simplify right side
250,939.62x = 49,692,828,375.31 - Step 5: Solve for x
x = 49,692,828,375.31/250,939.62 - Step 6: Final answer
x = 198,027.03
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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.