Finding the Fourth Proportional to 266,338.76, 367,558.29 and 153,161.51
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Solution
The fourth proportional to 266,338.76, 367,558.29 and 153,161.51 is: 211,369.09
Step by Step Solution
- Step 1: Write the proportion equation
266,338.76 : 367,558.29 = 153,161.51 : x - Step 2: Convert to fraction form
266,338.76/367,558.29 = 153,161.51/x - Step 3: Cross multiply
266,338.76x = 367,558.29 × 153,161.51 - Step 4: Simplify right side
266,338.76x = 56,295,780,871.63 - Step 5: Solve for x
x = 56,295,780,871.63/266,338.76 - Step 6: Final answer
x = 211,369.09
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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.