Finding the Fourth Proportional to 236,467.62, 326,326.14 and 129,040.02
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Solution
The fourth proportional to 236,467.62, 326,326.14 and 129,040.02 is: 178,075.68
Step by Step Solution
- Step 1: Write the proportion equation
236,467.62 : 326,326.14 = 129,040.02 : x - Step 2: Convert to fraction form
236,467.62/326,326.14 = 129,040.02/x - Step 3: Cross multiply
236,467.62x = 326,326.14 × 129,040.02 - Step 4: Simplify right side
236,467.62x = 42,109,131,632.12 - Step 5: Solve for x
x = 42,109,131,632.12/236,467.62 - Step 6: Final answer
x = 178,075.68
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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.