Finding the Fourth Proportional to 540,703.84, 746,163.50 and 298,981.12
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Solution
The fourth proportional to 540,703.84, 746,163.50 and 298,981.12 is: 412,589.63
Step by Step Solution
- Step 1: Write the proportion equation
540,703.84 : 746,163.50 = 298,981.12 : x - Step 2: Convert to fraction form
540,703.84/746,163.50 = 298,981.12/x - Step 3: Cross multiply
540,703.84x = 746,163.50 × 298,981.12 - Step 4: Simplify right side
540,703.84x = 223,088,798,933.12 - Step 5: Solve for x
x = 223,088,798,933.12/540,703.84 - Step 6: Final answer
x = 412,589.63
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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.