Finding the Fourth Proportional to 127,350.36, 190,763.04 and 74,599.92
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Solution
The fourth proportional to 127,350.36, 190,763.04 and 74,599.92 is: 111,746.11
Step by Step Solution
- Step 1: Write the proportion equation
127,350.36 : 190,763.04 = 74,599.92 : x - Step 2: Convert to fraction form
127,350.36/190,763.04 = 74,599.92/x - Step 3: Cross multiply
127,350.36x = 190,763.04 × 74,599.92 - Step 4: Simplify right side
127,350.36x = 14,230,907,522.96 - Step 5: Solve for x
x = 14,230,907,522.96/127,350.36 - Step 6: Final answer
x = 111,746.11
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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.