Finding the Fourth Proportional to 438,835.69, 657,189.43 and 303,519.99
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Solution
The fourth proportional to 438,835.69, 657,189.43 and 303,519.99 is: 454,544.00
Step by Step Solution
- Step 1: Write the proportion equation
438,835.69 : 657,189.43 = 303,519.99 : x - Step 2: Convert to fraction form
438,835.69/657,189.43 = 303,519.99/x - Step 3: Cross multiply
438,835.69x = 657,189.43 × 303,519.99 - Step 4: Simplify right side
438,835.69x = 199,470,132,634.67 - Step 5: Solve for x
x = 199,470,132,634.67/438,835.69 - Step 6: Final answer
x = 454,544.00
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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.