Finding the Fourth Proportional to 246,860.44, 340,664.88 and 139,430.14
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Solution
The fourth proportional to 246,860.44, 340,664.88 and 139,430.14 is: 192,412.17
Step by Step Solution
- Step 1: Write the proportion equation
246,860.44 : 340,664.88 = 139,430.14 : x - Step 2: Convert to fraction form
246,860.44/340,664.88 = 139,430.14/x - Step 3: Cross multiply
246,860.44x = 340,664.88 × 139,430.14 - Step 4: Simplify right side
246,860.44x = 47,498,951,911.48 - Step 5: Solve for x
x = 47,498,951,911.48/246,860.44 - Step 6: Final answer
x = 192,412.17
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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.