Finding the Fourth Proportional to 104,847.62, 157,276.62 and 29,978.78
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Solution
The fourth proportional to 104,847.62, 157,276.62 and 29,978.78 is: 44,969.65
Step by Step Solution
- Step 1: Write the proportion equation
104,847.62 : 157,276.62 = 29,978.78 : x - Step 2: Convert to fraction form
104,847.62/157,276.62 = 29,978.78/x - Step 3: Cross multiply
104,847.62x = 157,276.62 × 29,978.78 - Step 4: Simplify right side
104,847.62x = 4,714,961,040.23 - Step 5: Solve for x
x = 4,714,961,040.23/104,847.62 - Step 6: Final answer
x = 44,969.65
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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.