Finding the Fourth Proportional to 675,168.23, 931,846.73 and 388,854.09
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Solution
The fourth proportional to 675,168.23, 931,846.73 and 388,854.09 is: 536,684.63
Step by Step Solution
- Step 1: Write the proportion equation
675,168.23 : 931,846.73 = 388,854.09 : x - Step 2: Convert to fraction form
675,168.23/931,846.73 = 388,854.09/x - Step 3: Cross multiply
675,168.23x = 931,846.73 × 388,854.09 - Step 4: Simplify right side
675,168.23x = 362,352,410,269.36 - Step 5: Solve for x
x = 362,352,410,269.36/675,168.23 - Step 6: Final answer
x = 536,684.63
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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.