Finding the Fourth Proportional to 246,150.66, 339,683.21 and 138,718.55
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Solution
The fourth proportional to 246,150.66, 339,683.21 and 138,718.55 is: 191,428.94
Step by Step Solution
- Step 1: Write the proportion equation
246,150.66 : 339,683.21 = 138,718.55 : x - Step 2: Convert to fraction form
246,150.66/339,683.21 = 138,718.55/x - Step 3: Cross multiply
246,150.66x = 339,683.21 × 138,718.55 - Step 4: Simplify right side
246,150.66x = 47,120,359,958.54 - Step 5: Solve for x
x = 47,120,359,958.54/246,150.66 - Step 6: Final answer
x = 191,428.94
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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.