Finding the Fourth Proportional to 246,782.99, 340,568.40 and 151,386.05
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Solution
The fourth proportional to 246,782.99, 340,568.40 and 151,386.05 is: 208,917.58
Step by Step Solution
- Step 1: Write the proportion equation
246,782.99 : 340,568.40 = 151,386.05 : x - Step 2: Convert to fraction form
246,782.99/340,568.40 = 151,386.05/x - Step 3: Cross multiply
246,782.99x = 340,568.40 × 151,386.05 - Step 4: Simplify right side
246,782.99x = 51,557,303,127.98 - Step 5: Solve for x
x = 51,557,303,127.98/246,782.99 - Step 6: Final answer
x = 208,917.58
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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.