Finding the Fourth Proportional to 236,296.29, 326,079.05 and 128,864.37
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Solution
The fourth proportional to 236,296.29, 326,079.05 and 128,864.37 is: 177,827.47
Step by Step Solution
- Step 1: Write the proportion equation
236,296.29 : 326,079.05 = 128,864.37 : x - Step 2: Convert to fraction form
236,296.29/326,079.05 = 128,864.37/x - Step 3: Cross multiply
236,296.29x = 326,079.05 × 128,864.37 - Step 4: Simplify right side
236,296.29x = 42,019,970,704.13 - Step 5: Solve for x
x = 42,019,970,704.13/236,296.29 - Step 6: Final answer
x = 177,827.47
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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.