Finding the Fourth Proportional to 236,453.51, 326,313.71 and 129,029.44
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Solution
The fourth proportional to 236,453.51, 326,313.71 and 129,029.44 is: 178,064.92
Step by Step Solution
- Step 1: Write the proportion equation
236,453.51 : 326,313.71 = 129,029.44 : x - Step 2: Convert to fraction form
236,453.51/326,313.71 = 129,029.44/x - Step 3: Cross multiply
236,453.51x = 326,313.71 × 129,029.44 - Step 4: Simplify right side
236,453.51x = 42,104,075,626.18 - Step 5: Solve for x
x = 42,104,075,626.18/236,453.51 - Step 6: Final answer
x = 178,064.92
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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.