Finding the Fourth Proportional to 246,978.36, 340,845.86 and 151,472.06
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Solution
The fourth proportional to 246,978.36, 340,845.86 and 151,472.06 is: 209,041.09
Step by Step Solution
- Step 1: Write the proportion equation
246,978.36 : 340,845.86 = 151,472.06 : x - Step 2: Convert to fraction form
246,978.36/340,845.86 = 151,472.06/x - Step 3: Cross multiply
246,978.36x = 340,845.86 × 151,472.06 - Step 4: Simplify right side
246,978.36x = 51,628,624,556.67 - Step 5: Solve for x
x = 51,628,624,556.67/246,978.36 - Step 6: Final answer
x = 209,041.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.