Finding the Fourth Proportional to 751,263.92, 1,126,936.92 and 190,303.28
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Solution
The fourth proportional to 751,263.92, 1,126,936.92 and 190,303.28 is: 285,465.32
Step by Step Solution
- Step 1: Write the proportion equation
751,263.92 : 1,126,936.92 = 190,303.28 : x - Step 2: Convert to fraction form
751,263.92/1,126,936.92 = 190,303.28/x - Step 3: Cross multiply
751,263.92x = 1,126,936.92 × 190,303.28 - Step 4: Simplify right side
751,263.92x = 214,459,792,229.10 - Step 5: Solve for x
x = 214,459,792,229.10/751,263.92 - Step 6: Final answer
x = 285,465.32
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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.