Finding the Fourth Proportional to 235,894.28, 325,537.99 and 128,466.41
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Solution
The fourth proportional to 235,894.28, 325,537.99 and 128,466.41 is: 177,285.76
Step by Step Solution
- Step 1: Write the proportion equation
235,894.28 : 325,537.99 = 128,466.41 : x - Step 2: Convert to fraction form
235,894.28/325,537.99 = 128,466.41/x - Step 3: Cross multiply
235,894.28x = 325,537.99 × 128,466.41 - Step 4: Simplify right side
235,894.28x = 41,820,694,945.06 - Step 5: Solve for x
x = 41,820,694,945.06/235,894.28 - Step 6: Final answer
x = 177,285.76
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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.