Finding the Fourth Proportional to 401,735.99, 554,394.12 and 220,450.95
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Solution
The fourth proportional to 401,735.99, 554,394.12 and 220,450.95 is: 304,221.47
Step by Step Solution
- Step 1: Write the proportion equation
401,735.99 : 554,394.12 = 220,450.95 : x - Step 2: Convert to fraction form
401,735.99/554,394.12 = 220,450.95/x - Step 3: Cross multiply
401,735.99x = 554,394.12 × 220,450.95 - Step 4: Simplify right side
401,735.99x = 122,216,710,428.41 - Step 5: Solve for x
x = 122,216,710,428.41/401,735.99 - Step 6: Final answer
x = 304,221.47
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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.