Finding the Fourth Proportional to 324,728.68, 487,141.50 and 100,070.44
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Solution
The fourth proportional to 324,728.68, 487,141.50 and 100,070.44 is: 150,120.60
Step by Step Solution
- Step 1: Write the proportion equation
324,728.68 : 487,141.50 = 100,070.44 : x - Step 2: Convert to fraction form
324,728.68/487,141.50 = 100,070.44/x - Step 3: Cross multiply
324,728.68x = 487,141.50 × 100,070.44 - Step 4: Simplify right side
324,728.68x = 48,748,464,247.26 - Step 5: Solve for x
x = 48,748,464,247.26/324,728.68 - Step 6: Final answer
x = 150,120.60
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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.