Finding the Fourth Proportional to 236,569.52, 326,453.46 and 129,118.70
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Solution
The fourth proportional to 236,569.52, 326,453.46 and 129,118.70 is: 178,176.99
Step by Step Solution
- Step 1: Write the proportion equation
236,569.52 : 326,453.46 = 129,118.70 : x - Step 2: Convert to fraction form
236,569.52/326,453.46 = 129,118.70/x - Step 3: Cross multiply
236,569.52x = 326,453.46 × 129,118.70 - Step 4: Simplify right side
236,569.52x = 42,151,244,733.43 - Step 5: Solve for x
x = 42,151,244,733.43/236,569.52 - Step 6: Final answer
x = 178,176.99
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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.