Finding the Fourth Proportional to 338,438.93, 467,058.67 and 193,268.40
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Solution
The fourth proportional to 338,438.93, 467,058.67 and 193,268.40 is: 266,717.79
Step by Step Solution
- Step 1: Write the proportion equation
338,438.93 : 467,058.67 = 193,268.40 : x - Step 2: Convert to fraction form
338,438.93/467,058.67 = 193,268.40/x - Step 3: Cross multiply
338,438.93x = 467,058.67 × 193,268.40 - Step 4: Simplify right side
338,438.93x = 90,267,681,857.03 - Step 5: Solve for x
x = 90,267,681,857.03/338,438.93 - Step 6: Final answer
x = 266,717.79
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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.