Finding the Fourth Proportional to 246,427.36, 340,073.67 and 138,999.53
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Solution
The fourth proportional to 246,427.36, 340,073.67 and 138,999.53 is: 191,821.56
Step by Step Solution
- Step 1: Write the proportion equation
246,427.36 : 340,073.67 = 138,999.53 : x - Step 2: Convert to fraction form
246,427.36/340,073.67 = 138,999.53/x - Step 3: Cross multiply
246,427.36x = 340,073.67 × 138,999.53 - Step 4: Simplify right side
246,427.36x = 47,270,080,295.38 - Step 5: Solve for x
x = 47,270,080,295.38/246,427.36 - Step 6: Final answer
x = 191,821.56
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1.5x scale
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.