Finding the Fourth Proportional to 264,328.05, 396,533.52 and 86,794.68
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Solution
The fourth proportional to 264,328.05, 396,533.52 and 86,794.68 is: 130,205.63
Step by Step Solution
- Step 1: Write the proportion equation
264,328.05 : 396,533.52 = 86,794.68 : x - Step 2: Convert to fraction form
264,328.05/396,533.52 = 86,794.68/x - Step 3: Cross multiply
264,328.05x = 396,533.52 × 86,794.68 - Step 4: Simplify right side
264,328.05x = 34,416,999,977.67 - Step 5: Solve for x
x = 34,416,999,977.67/264,328.05 - Step 6: Final answer
x = 130,205.63
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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.