Finding the Fourth Proportional to 360,970.38, 498,143.07 and 199,828.12
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Solution
The fourth proportional to 360,970.38, 498,143.07 and 199,828.12 is: 275,764.99
Step by Step Solution
- Step 1: Write the proportion equation
360,970.38 : 498,143.07 = 199,828.12 : x - Step 2: Convert to fraction form
360,970.38/498,143.07 = 199,828.12/x - Step 3: Cross multiply
360,970.38x = 498,143.07 × 199,828.12 - Step 4: Simplify right side
360,970.38x = 99,542,993,169.13 - Step 5: Solve for x
x = 99,542,993,169.13/360,970.38 - Step 6: Final answer
x = 275,764.99
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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.