Finding the Fourth Proportional to 236,880.39, 326,895.80 and 129,452.07
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Solution
The fourth proportional to 236,880.39, 326,895.80 and 129,452.07 is: 178,644.32
Step by Step Solution
- Step 1: Write the proportion equation
236,880.39 : 326,895.80 = 129,452.07 : x - Step 2: Convert to fraction form
236,880.39/326,895.80 = 129,452.07/x - Step 3: Cross multiply
236,880.39x = 326,895.80 × 129,452.07 - Step 4: Simplify right side
236,880.39x = 42,317,337,337.05 - Step 5: Solve for x
x = 42,317,337,337.05/236,880.39 - Step 6: Final answer
x = 178,644.32
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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.