Finding the Fourth Proportional to 235,800.67, 325,394.71 and 128,371.08
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Solution
The fourth proportional to 235,800.67, 325,394.71 and 128,371.08 is: 177,146.53
Step by Step Solution
- Step 1: Write the proportion equation
235,800.67 : 325,394.71 = 128,371.08 : x - Step 2: Convert to fraction form
235,800.67/325,394.71 = 128,371.08/x - Step 3: Cross multiply
235,800.67x = 325,394.71 × 128,371.08 - Step 4: Simplify right side
235,800.67x = 41,771,270,348.99 - Step 5: Solve for x
x = 41,771,270,348.99/235,800.67 - Step 6: Final answer
x = 177,146.53
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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.