Finding the Fourth Proportional to 298,460.53, 411,862.00 and 162,491.09
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Solution
The fourth proportional to 298,460.53, 411,862.00 and 162,491.09 is: 224,230.34
Step by Step Solution
- Step 1: Write the proportion equation
298,460.53 : 411,862.00 = 162,491.09 : x - Step 2: Convert to fraction form
298,460.53/411,862.00 = 162,491.09/x - Step 3: Cross multiply
298,460.53x = 411,862.00 × 162,491.09 - Step 4: Simplify right side
298,460.53x = 66,923,904,497.12 - Step 5: Solve for x
x = 66,923,904,497.12/298,460.53 - Step 6: Final answer
x = 224,230.34
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1.5x scale
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.