Finding the Fourth Proportional to 235,709.95, 325,273.50 and 128,277.68
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Solution
The fourth proportional to 235,709.95, 325,273.50 and 128,277.68 is: 177,019.80
Step by Step Solution
- Step 1: Write the proportion equation
235,709.95 : 325,273.50 = 128,277.68 : x - Step 2: Convert to fraction form
235,709.95/325,273.50 = 128,277.68/x - Step 3: Cross multiply
235,709.95x = 325,273.50 × 128,277.68 - Step 4: Simplify right side
235,709.95x = 41,725,327,958.33 - Step 5: Solve for x
x = 41,725,327,958.33/235,709.95 - Step 6: Final answer
x = 177,019.80
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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.