Finding the Fourth Proportional to 441,826.15, 609,728.21 and 245,611.09
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Solution
The fourth proportional to 441,826.15, 609,728.21 and 245,611.09 is: 338,947.82
Step by Step Solution
- Step 1: Write the proportion equation
441,826.15 : 609,728.21 = 245,611.09 : x - Step 2: Convert to fraction form
441,826.15/609,728.21 = 245,611.09/x - Step 3: Cross multiply
441,826.15x = 609,728.21 × 245,611.09 - Step 4: Simplify right side
441,826.15x = 149,756,009,033.79 - Step 5: Solve for x
x = 149,756,009,033.79/441,826.15 - Step 6: Final answer
x = 338,947.82
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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.