Finding the Fourth Proportional to 236,804.04, 326,812.14 and 129,390.30
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Solution
The fourth proportional to 236,804.04, 326,812.14 and 129,390.30 is: 178,570.94
Step by Step Solution
- Step 1: Write the proportion equation
236,804.04 : 326,812.14 = 129,390.30 : x - Step 2: Convert to fraction form
236,804.04/326,812.14 = 129,390.30/x - Step 3: Cross multiply
236,804.04x = 326,812.14 × 129,390.30 - Step 4: Simplify right side
236,804.04x = 42,286,320,838.24 - Step 5: Solve for x
x = 42,286,320,838.24/236,804.04 - Step 6: Final answer
x = 178,570.94
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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.