Finding the Fourth Proportional to 266,278.83, 367,467.71 and 145,423.68
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Solution
The fourth proportional to 266,278.83, 367,467.71 and 145,423.68 is: 200,686.27
Step by Step Solution
- Step 1: Write the proportion equation
266,278.83 : 367,467.71 = 145,423.68 : x - Step 2: Convert to fraction form
266,278.83/367,467.71 = 145,423.68/x - Step 3: Cross multiply
266,278.83x = 367,467.71 × 145,423.68 - Step 4: Simplify right side
266,278.83x = 53,438,505,942.25 - Step 5: Solve for x
x = 53,438,505,942.25/266,278.83 - Step 6: Final answer
x = 200,686.27
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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.