Finding the Fourth Proportional to 73,201.80, 109,802.70 and 17,797.80
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Solution
The fourth proportional to 73,201.80, 109,802.70 and 17,797.80 is: 26,696.70
Step by Step Solution
- Step 1: Write the proportion equation
73,201.80 : 109,802.70 = 17,797.80 : x - Step 2: Convert to fraction form
73,201.80/109,802.70 = 17,797.80/x - Step 3: Cross multiply
73,201.80x = 109,802.70 × 17,797.80 - Step 4: Simplify right side
73,201.80x = 1,954,246,494.06 - Step 5: Solve for x
x = 1,954,246,494.06/73,201.80 - Step 6: Final answer
x = 26,696.70
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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.