Finding the Fourth Proportional to 328,762.66, 493,138.62 and 104,122.75
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Solution
The fourth proportional to 328,762.66, 493,138.62 and 104,122.75 is: 156,182.42
Step by Step Solution
- Step 1: Write the proportion equation
328,762.66 : 493,138.62 = 104,122.75 : x - Step 2: Convert to fraction form
328,762.66/493,138.62 = 104,122.75/x - Step 3: Cross multiply
328,762.66x = 493,138.62 × 104,122.75 - Step 4: Simplify right side
328,762.66x = 51,346,949,245.61 - Step 5: Solve for x
x = 51,346,949,245.61/328,762.66 - Step 6: Final answer
x = 156,182.42
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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.