Finding the Fourth Proportional to 306,206.99, 459,385.83 and 106,529.09
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Solution
The fourth proportional to 306,206.99, 459,385.83 and 106,529.09 is: 159,819.85
Step by Step Solution
- Step 1: Write the proportion equation
306,206.99 : 459,385.83 = 106,529.09 : x - Step 2: Convert to fraction form
306,206.99/459,385.83 = 106,529.09/x - Step 3: Cross multiply
306,206.99x = 459,385.83 × 106,529.09 - Step 4: Simplify right side
306,206.99x = 48,937,954,428.79 - Step 5: Solve for x
x = 48,937,954,428.79/306,206.99 - Step 6: Final answer
x = 159,819.85
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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.