Finding the Fourth Proportional to 236,366.10, 326,173.23 and 128,935.26
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Solution
The fourth proportional to 236,366.10, 326,173.23 and 128,935.26 is: 177,924.12
Step by Step Solution
- Step 1: Write the proportion equation
236,366.10 : 326,173.23 = 128,935.26 : x - Step 2: Convert to fraction form
236,366.10/326,173.23 = 128,935.26/x - Step 3: Cross multiply
236,366.10x = 326,173.23 × 128,935.26 - Step 4: Simplify right side
236,366.10x = 42,055,230,215.09 - Step 5: Solve for x
x = 42,055,230,215.09/236,366.10 - Step 6: Final answer
x = 177,924.12
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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.