Finding the Fourth Proportional to 264,696.60, 396,959.58 and 87,161.36
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Solution
The fourth proportional to 264,696.60, 396,959.58 and 87,161.36 is: 130,713.95
Step by Step Solution
- Step 1: Write the proportion equation
264,696.60 : 396,959.58 = 87,161.36 : x - Step 2: Convert to fraction form
264,696.60/396,959.58 = 87,161.36/x - Step 3: Cross multiply
264,696.60x = 396,959.58 × 87,161.36 - Step 4: Simplify right side
264,696.60x = 34,599,536,857.83 - Step 5: Solve for x
x = 34,599,536,857.83/264,696.60 - Step 6: Final answer
x = 130,713.95
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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.