Finding the Fourth Proportional to 246,685.12, 340,431.66 and 139,265.08
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Solution
The fourth proportional to 246,685.12, 340,431.66 and 139,265.08 is: 192,189.31
Step by Step Solution
- Step 1: Write the proportion equation
246,685.12 : 340,431.66 = 139,265.08 : x - Step 2: Convert to fraction form
246,685.12/340,431.66 = 139,265.08/x - Step 3: Cross multiply
246,685.12x = 340,431.66 × 139,265.08 - Step 4: Simplify right side
246,685.12x = 47,410,242,364.43 - Step 5: Solve for x
x = 47,410,242,364.43/246,685.12 - Step 6: Final answer
x = 192,189.31
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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.