Finding the Fourth Proportional to 104,718.60, 157,070.70 and 33,640.20
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Solution
The fourth proportional to 104,718.60, 157,070.70 and 33,640.20 is: 50,457.99
Step by Step Solution
- Step 1: Write the proportion equation
104,718.60 : 157,070.70 = 33,640.20 : x - Step 2: Convert to fraction form
104,718.60/157,070.70 = 33,640.20/x - Step 3: Cross multiply
104,718.60x = 157,070.70 × 33,640.20 - Step 4: Simplify right side
104,718.60x = 5,283,889,762.14 - Step 5: Solve for x
x = 5,283,889,762.14/104,718.60 - Step 6: Final answer
x = 50,457.99
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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.