Finding the Fourth Proportional to 503,813.81, 695,263.67 and 274,371.49
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Solution
The fourth proportional to 503,813.81, 695,263.67 and 274,371.49 is: 378,632.99
Step by Step Solution
- Step 1: Write the proportion equation
503,813.81 : 695,263.67 = 274,371.49 : x - Step 2: Convert to fraction form
503,813.81/695,263.67 = 274,371.49/x - Step 3: Cross multiply
503,813.81x = 695,263.67 × 274,371.49 - Step 4: Simplify right side
503,813.81x = 190,760,529,080.77 - Step 5: Solve for x
x = 190,760,529,080.77/503,813.81 - Step 6: Final answer
x = 378,632.99
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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.