Finding the Fourth Proportional to 320,260.06, 480,439.91 and 106,961.95
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Solution
The fourth proportional to 320,260.06, 480,439.91 and 106,961.95 is: 160,459.56
Step by Step Solution
- Step 1: Write the proportion equation
320,260.06 : 480,439.91 = 106,961.95 : x - Step 2: Convert to fraction form
320,260.06/480,439.91 = 106,961.95/x - Step 3: Cross multiply
320,260.06x = 480,439.91 × 106,961.95 - Step 4: Simplify right side
320,260.06x = 51,388,789,631.42 - Step 5: Solve for x
x = 51,388,789,631.42/320,260.06 - Step 6: Final answer
x = 160,459.56
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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.