Finding the Fourth Proportional to 236,026.76, 325,720.64 and 128,596.75
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Solution
The fourth proportional to 236,026.76, 325,720.64 and 128,596.75 is: 177,465.54
Step by Step Solution
- Step 1: Write the proportion equation
236,026.76 : 325,720.64 = 128,596.75 : x - Step 2: Convert to fraction form
236,026.76/325,720.64 = 128,596.75/x - Step 3: Cross multiply
236,026.76x = 325,720.64 × 128,596.75 - Step 4: Simplify right side
236,026.76x = 41,886,615,219.11 - Step 5: Solve for x
x = 41,886,615,219.11/236,026.76 - Step 6: Final answer
x = 177,465.54
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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.