Finding the Fourth Proportional to 438,324.40, 657,486.60 and 349,750.90
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Solution
The fourth proportional to 438,324.40, 657,486.60 and 349,750.90 is: 524,626.35
Step by Step Solution
- Step 1: Write the proportion equation
438,324.40 : 657,486.60 = 349,750.90 : x - Step 2: Convert to fraction form
438,324.40/657,486.60 = 349,750.90/x - Step 3: Cross multiply
438,324.40x = 657,486.60 × 349,750.90 - Step 4: Simplify right side
438,324.40x = 229,956,530,087.94 - Step 5: Solve for x
x = 229,956,530,087.94/438,324.40 - Step 6: Final answer
x = 524,626.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.