Finding the Fourth Proportional to 356,529.05, 534,433.70 and 223,502.75
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Solution
The fourth proportional to 356,529.05, 534,433.70 and 223,502.75 is: 335,028.52
Step by Step Solution
- Step 1: Write the proportion equation
356,529.05 : 534,433.70 = 223,502.75 : x - Step 2: Convert to fraction form
356,529.05/534,433.70 = 223,502.75/x - Step 3: Cross multiply
356,529.05x = 534,433.70 × 223,502.75 - Step 4: Simplify right side
356,529.05x = 119,447,401,642.68 - Step 5: Solve for x
x = 119,447,401,642.68/356,529.05 - Step 6: Final answer
x = 335,028.52
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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.