Finding the Fourth Proportional to 235,528.14, 325,019.48 and 128,098.12
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Solution
The fourth proportional to 235,528.14, 325,019.48 and 128,098.12 is: 176,770.32
Step by Step Solution
- Step 1: Write the proportion equation
235,528.14 : 325,019.48 = 128,098.12 : x - Step 2: Convert to fraction form
235,528.14/325,019.48 = 128,098.12/x - Step 3: Cross multiply
235,528.14x = 325,019.48 × 128,098.12 - Step 4: Simplify right side
235,528.14x = 41,634,384,351.38 - Step 5: Solve for x
x = 41,634,384,351.38/235,528.14 - Step 6: Final answer
x = 176,770.32
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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.