Finding the Fourth Proportional to 235,532.16, 325,035.90 and 128,102.94
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Solution
The fourth proportional to 235,532.16, 325,035.90 and 128,102.94 is: 176,782.88
Step by Step Solution
- Step 1: Write the proportion equation
235,532.16 : 325,035.90 = 128,102.94 : x - Step 2: Convert to fraction form
235,532.16/325,035.90 = 128,102.94/x - Step 3: Cross multiply
235,532.16x = 325,035.90 × 128,102.94 - Step 4: Simplify right side
235,532.16x = 41,638,054,395.55 - Step 5: Solve for x
x = 41,638,054,395.55/235,532.16 - Step 6: Final answer
x = 176,782.88
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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.