Finding the Fourth Proportional to 416,339.68, 574,559.92 and 252,940.56
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Solution
The fourth proportional to 416,339.68, 574,559.92 and 252,940.56 is: 349,064.75
Step by Step Solution
- Step 1: Write the proportion equation
416,339.68 : 574,559.92 = 252,940.56 : x - Step 2: Convert to fraction form
416,339.68/574,559.92 = 252,940.56/x - Step 3: Cross multiply
416,339.68x = 574,559.92 × 252,940.56 - Step 4: Simplify right side
416,339.68x = 145,329,507,918.36 - Step 5: Solve for x
x = 145,329,507,918.36/416,339.68 - Step 6: Final answer
x = 349,064.75
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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.