Finding the Fourth Proportional to 434,037.14, 599,178.83 and 289,083.99
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Solution
The fourth proportional to 434,037.14, 599,178.83 and 289,083.99 is: 399,074.16
Step by Step Solution
- Step 1: Write the proportion equation
434,037.14 : 599,178.83 = 289,083.99 : x - Step 2: Convert to fraction form
434,037.14/599,178.83 = 289,083.99/x - Step 3: Cross multiply
434,037.14x = 599,178.83 × 289,083.99 - Step 4: Simplify right side
434,037.14x = 173,213,006,899.93 - Step 5: Solve for x
x = 173,213,006,899.93/434,037.14 - Step 6: Final answer
x = 399,074.16
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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.