Finding the Fourth Proportional to 236,689.94, 326,630.39 and 129,259.94
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Solution
The fourth proportional to 236,689.94, 326,630.39 and 129,259.94 is: 178,377.77
Step by Step Solution
- Step 1: Write the proportion equation
236,689.94 : 326,630.39 = 129,259.94 : x - Step 2: Convert to fraction form
236,689.94/326,630.39 = 129,259.94/x - Step 3: Cross multiply
236,689.94x = 326,630.39 × 129,259.94 - Step 4: Simplify right side
236,689.94x = 42,220,222,334.13 - Step 5: Solve for x
x = 42,220,222,334.13/236,689.94 - Step 6: Final answer
x = 178,377.77
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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.