Finding the Fourth Proportional to 339,622.42, 468,683.79 and 186,674.75
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Solution
The fourth proportional to 339,622.42, 468,683.79 and 186,674.75 is: 257,613.82
Step by Step Solution
- Step 1: Write the proportion equation
339,622.42 : 468,683.79 = 186,674.75 : x - Step 2: Convert to fraction form
339,622.42/468,683.79 = 186,674.75/x - Step 3: Cross multiply
339,622.42x = 468,683.79 × 186,674.75 - Step 4: Simplify right side
339,622.42x = 87,491,428,041.42 - Step 5: Solve for x
x = 87,491,428,041.42/339,622.42 - Step 6: Final answer
x = 257,613.82
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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.