Finding the Fourth Proportional to 246,991.14, 340,705.64 and 148,806.18
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Solution
The fourth proportional to 246,991.14, 340,705.64 and 148,806.18 is: 205,266.90
Step by Step Solution
- Step 1: Write the proportion equation
246,991.14 : 340,705.64 = 148,806.18 : x - Step 2: Convert to fraction form
246,991.14/340,705.64 = 148,806.18/x - Step 3: Cross multiply
246,991.14x = 340,705.64 × 148,806.18 - Step 4: Simplify right side
246,991.14x = 50,699,105,164.87 - Step 5: Solve for x
x = 50,699,105,164.87/246,991.14 - Step 6: Final answer
x = 205,266.90
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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.