Finding the Fourth Proportional to 377,829.21, 520,517.44 and 262,910.23
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Solution
The fourth proportional to 377,829.21, 520,517.44 and 262,910.23 is: 362,198.99
Step by Step Solution
- Step 1: Write the proportion equation
377,829.21 : 520,517.44 = 262,910.23 : x - Step 2: Convert to fraction form
377,829.21/520,517.44 = 262,910.23/x - Step 3: Cross multiply
377,829.21x = 520,517.44 × 262,910.23 - Step 4: Simplify right side
377,829.21x = 136,849,358,896.76 - Step 5: Solve for x
x = 136,849,358,896.76/377,829.21 - Step 6: Final answer
x = 362,198.99
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1.5x scale
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.