Finding the Fourth Proportional to 279,672.03, 419,182.57 and 159,812.99
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Solution
The fourth proportional to 279,672.03, 419,182.57 and 159,812.99 is: 239,533.50
Step by Step Solution
- Step 1: Write the proportion equation
279,672.03 : 419,182.57 = 159,812.99 : x - Step 2: Convert to fraction form
279,672.03/419,182.57 = 159,812.99/x - Step 3: Cross multiply
279,672.03x = 419,182.57 × 159,812.99 - Step 4: Simplify right side
279,672.03x = 66,990,819,867.58 - Step 5: Solve for x
x = 66,990,819,867.58/279,672.03 - Step 6: Final answer
x = 239,533.50
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1.5x scale
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.