Finding the Fourth Proportional to 246,609.31, 340,284.36 and 149,762.80
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Solution
The fourth proportional to 246,609.31, 340,284.36 and 149,762.80 is: 206,650.51
Step by Step Solution
- Step 1: Write the proportion equation
246,609.31 : 340,284.36 = 149,762.80 : x - Step 2: Convert to fraction form
246,609.31/340,284.36 = 149,762.80/x - Step 3: Cross multiply
246,609.31x = 340,284.36 × 149,762.80 - Step 4: Simplify right side
246,609.31x = 50,961,938,549.81 - Step 5: Solve for x
x = 50,961,938,549.81/246,609.31 - Step 6: Final answer
x = 206,650.51
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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.