Finding the Fourth Proportional to 235,664.56, 325,214.36 and 128,232.74
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Solution
The fourth proportional to 235,664.56, 325,214.36 and 128,232.74 is: 176,959.70
Step by Step Solution
- Step 1: Write the proportion equation
235,664.56 : 325,214.36 = 128,232.74 : x - Step 2: Convert to fraction form
235,664.56/325,214.36 = 128,232.74/x - Step 3: Cross multiply
235,664.56x = 325,214.36 × 128,232.74 - Step 4: Simplify right side
235,664.56x = 41,703,130,010.28 - Step 5: Solve for x
x = 41,703,130,010.28/235,664.56 - Step 6: Final answer
x = 176,959.70
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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.