Finding the Fourth Proportional to 246,534.80, 340,212.44 and 139,102.08
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Solution
The fourth proportional to 246,534.80, 340,212.44 and 139,102.08 is: 191,957.72
Step by Step Solution
- Step 1: Write the proportion equation
246,534.80 : 340,212.44 = 139,102.08 : x - Step 2: Convert to fraction form
246,534.80/340,212.44 = 139,102.08/x - Step 3: Cross multiply
246,534.80x = 340,212.44 × 139,102.08 - Step 4: Simplify right side
246,534.80x = 47,324,258,045.88 - Step 5: Solve for x
x = 47,324,258,045.88/246,534.80 - Step 6: Final answer
x = 191,957.72
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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.