Finding the Fourth Proportional to 237,331.06, 327,515.65 and 128,435.31
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Solution
The fourth proportional to 237,331.06, 327,515.65 and 128,435.31 is: 177,240.07
Step by Step Solution
- Step 1: Write the proportion equation
237,331.06 : 327,515.65 = 128,435.31 : x - Step 2: Convert to fraction form
237,331.06/327,515.65 = 128,435.31/x - Step 3: Cross multiply
237,331.06x = 327,515.65 × 128,435.31 - Step 4: Simplify right side
237,331.06x = 42,064,573,716.51 - Step 5: Solve for x
x = 42,064,573,716.51/237,331.06 - Step 6: Final answer
x = 177,240.07
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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.