Finding the Fourth Proportional to 407,966.99, 611,805.68 and 119,698.18
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Solution
The fourth proportional to 407,966.99, 611,805.68 and 119,698.18 is: 179,504.78
Step by Step Solution
- Step 1: Write the proportion equation
407,966.99 : 611,805.68 = 119,698.18 : x - Step 2: Convert to fraction form
407,966.99/611,805.68 = 119,698.18/x - Step 3: Cross multiply
407,966.99x = 611,805.68 × 119,698.18 - Step 4: Simplify right side
407,966.99x = 73,232,023,350.63 - Step 5: Solve for x
x = 73,232,023,350.63/407,966.99 - Step 6: Final answer
x = 179,504.78
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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.