Finding the Fourth Proportional to 162,232.26, 243,348.40 and 51,424.26
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Solution
The fourth proportional to 162,232.26, 243,348.40 and 51,424.26 is: 77,136.39
Step by Step Solution
- Step 1: Write the proportion equation
162,232.26 : 243,348.40 = 51,424.26 : x - Step 2: Convert to fraction form
162,232.26/243,348.40 = 51,424.26/x - Step 3: Cross multiply
162,232.26x = 243,348.40 × 51,424.26 - Step 4: Simplify right side
162,232.26x = 12,514,011,392.18 - Step 5: Solve for x
x = 12,514,011,392.18/162,232.26 - Step 6: Final answer
x = 77,136.39
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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.