Finding the Fourth Proportional to 264,491.40, 396,696.60 and 86,998.80
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Solution
The fourth proportional to 264,491.40, 396,696.60 and 86,998.80 is: 130,484.88
Step by Step Solution
- Step 1: Write the proportion equation
264,491.40 : 396,696.60 = 86,998.80 : x - Step 2: Convert to fraction form
264,491.40/396,696.60 = 86,998.80/x - Step 3: Cross multiply
264,491.40x = 396,696.60 × 86,998.80 - Step 4: Simplify right side
264,491.40x = 34,512,128,164.08 - Step 5: Solve for x
x = 34,512,128,164.08/264,491.40 - Step 6: Final answer
x = 130,484.88
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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.