Finding the Fourth Proportional to 235,579.14, 325,104.48 and 128,154.96
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Solution
The fourth proportional to 235,579.14, 325,104.48 and 128,154.96 is: 176,856.71
Step by Step Solution
- Step 1: Write the proportion equation
235,579.14 : 325,104.48 = 128,154.96 : x - Step 2: Convert to fraction form
235,579.14/325,104.48 = 128,154.96/x - Step 3: Cross multiply
235,579.14x = 325,104.48 × 128,154.96 - Step 4: Simplify right side
235,579.14x = 41,663,751,630.22 - Step 5: Solve for x
x = 41,663,751,630.22/235,579.14 - Step 6: Final answer
x = 176,856.71
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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.