Finding the Fourth Proportional to 235,762.56, 325,356.48 and 128,335.68
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Solution
The fourth proportional to 235,762.56, 325,356.48 and 128,335.68 is: 177,105.50
Step by Step Solution
- Step 1: Write the proportion equation
235,762.56 : 325,356.48 = 128,335.68 : x - Step 2: Convert to fraction form
235,762.56/325,356.48 = 128,335.68/x - Step 3: Cross multiply
235,762.56x = 325,356.48 × 128,335.68 - Step 4: Simplify right side
235,762.56x = 41,754,845,103.21 - Step 5: Solve for x
x = 41,754,845,103.21/235,762.56 - Step 6: Final answer
x = 177,105.50
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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.