Finding the Fourth Proportional to 298,491.68, 411,908.28 and 162,523.44
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Solution
The fourth proportional to 298,491.68, 411,908.28 and 162,523.44 is: 224,276.77
Step by Step Solution
- Step 1: Write the proportion equation
298,491.68 : 411,908.28 = 162,523.44 : x - Step 2: Convert to fraction form
298,491.68/411,908.28 = 162,523.44/x - Step 3: Cross multiply
298,491.68x = 411,908.28 × 162,523.44 - Step 4: Simplify right side
298,491.68x = 66,944,750,630.08 - Step 5: Solve for x
x = 66,944,750,630.08/298,491.68 - Step 6: Final answer
x = 224,276.77
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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.