Finding the Fourth Proportional to 236,866.52, 326,880.07 and 129,441.08
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Solution
The fourth proportional to 236,866.52, 326,880.07 and 129,441.08 is: 178,631.02
Step by Step Solution
- Step 1: Write the proportion equation
236,866.52 : 326,880.07 = 129,441.08 : x - Step 2: Convert to fraction form
236,866.52/326,880.07 = 129,441.08/x - Step 3: Cross multiply
236,866.52x = 326,880.07 × 129,441.08 - Step 4: Simplify right side
236,866.52x = 42,311,707,333.27 - Step 5: Solve for x
x = 42,311,707,333.27/236,866.52 - Step 6: Final answer
x = 178,631.02
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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.