Finding the Fourth Proportional to 266,244.99, 367,421.09 and 145,387.72
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Solution
The fourth proportional to 266,244.99, 367,421.09 and 145,387.72 is: 200,636.69
Step by Step Solution
- Step 1: Write the proportion equation
266,244.99 : 367,421.09 = 145,387.72 : x - Step 2: Convert to fraction form
266,244.99/367,421.09 = 145,387.72/x - Step 3: Cross multiply
266,244.99x = 367,421.09 × 145,387.72 - Step 4: Simplify right side
266,244.99x = 53,418,514,555.01 - Step 5: Solve for x
x = 53,418,514,555.01/266,244.99 - Step 6: Final answer
x = 200,636.69
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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.