Finding the Fourth Proportional to 343,672.88, 515,340.63 and 141,232.28
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Solution
The fourth proportional to 343,672.88, 515,340.63 and 141,232.28 is: 211,779.09
Step by Step Solution
- Step 1: Write the proportion equation
343,672.88 : 515,340.63 = 141,232.28 : x - Step 2: Convert to fraction form
343,672.88/515,340.63 = 141,232.28/x - Step 3: Cross multiply
343,672.88x = 515,340.63 × 141,232.28 - Step 4: Simplify right side
343,672.88x = 72,782,729,574.83 - Step 5: Solve for x
x = 72,782,729,574.83/343,672.88 - Step 6: Final answer
x = 211,779.09
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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.