Finding the Fourth Proportional to 416,877.74, 575,293.28 and 225,891.48
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Solution
The fourth proportional to 416,877.74, 575,293.28 and 225,891.48 is: 311,731.33
Step by Step Solution
- Step 1: Write the proportion equation
416,877.74 : 575,293.28 = 225,891.48 : x - Step 2: Convert to fraction form
416,877.74/575,293.28 = 225,891.48/x - Step 3: Cross multiply
416,877.74x = 575,293.28 × 225,891.48 - Step 4: Simplify right side
416,877.74x = 129,953,850,453.25 - Step 5: Solve for x
x = 129,953,850,453.25/416,877.74 - Step 6: Final answer
x = 311,731.33
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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.