Finding the Fourth Proportional to 372,238.67, 513,780.64 and 211,187.99
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Solution
The fourth proportional to 372,238.67, 513,780.64 and 211,187.99 is: 291,491.21
Step by Step Solution
- Step 1: Write the proportion equation
372,238.67 : 513,780.64 = 211,187.99 : x - Step 2: Convert to fraction form
372,238.67/513,780.64 = 211,187.99/x - Step 3: Cross multiply
372,238.67x = 513,780.64 × 211,187.99 - Step 4: Simplify right side
372,238.67x = 108,504,301,419.00 - Step 5: Solve for x
x = 108,504,301,419.00/372,238.67 - Step 6: Final answer
x = 291,491.21
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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.