Finding the Fourth Proportional to 211,021.09, 316,562.92 and 61,262.62
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Solution
The fourth proportional to 211,021.09, 316,562.92 and 61,262.62 is: 91,903.01
Step by Step Solution
- Step 1: Write the proportion equation
211,021.09 : 316,562.92 = 61,262.62 : x - Step 2: Convert to fraction form
211,021.09/316,562.92 = 61,262.62/x - Step 3: Cross multiply
211,021.09x = 316,562.92 × 61,262.62 - Step 4: Simplify right side
211,021.09x = 19,393,472,291.24 - Step 5: Solve for x
x = 19,393,472,291.24/211,021.09 - Step 6: Final answer
x = 91,903.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.