Finding the Fourth Proportional to 416,262.69, 574,442.51 and 225,276.09
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Solution
The fourth proportional to 416,262.69, 574,442.51 and 225,276.09 is: 310,881.00
Step by Step Solution
- Step 1: Write the proportion equation
416,262.69 : 574,442.51 = 225,276.09 : x - Step 2: Convert to fraction form
416,262.69/574,442.51 = 225,276.09/x - Step 3: Cross multiply
416,262.69x = 574,442.51 × 225,276.09 - Step 4: Simplify right side
416,262.69x = 129,408,161,456.21 - Step 5: Solve for x
x = 129,408,161,456.21/416,262.69 - Step 6: Final answer
x = 310,881.00
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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.