Finding the Fourth Proportional to 416,968.26, 575,400.74 and 225,977.56
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Solution
The fourth proportional to 416,968.26, 575,400.74 and 225,977.56 is: 311,840.65
Step by Step Solution
- Step 1: Write the proportion equation
416,968.26 : 575,400.74 = 225,977.56 : x - Step 2: Convert to fraction form
416,968.26/575,400.74 = 225,977.56/x - Step 3: Cross multiply
416,968.26x = 575,400.74 × 225,977.56 - Step 4: Simplify right side
416,968.26x = 130,027,655,247.39 - Step 5: Solve for x
x = 130,027,655,247.39/416,968.26 - Step 6: Final answer
x = 311,840.65
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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.