Finding the Fourth Proportional to 119,949.72, 179,924.81 and 31,203.08
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Solution
The fourth proportional to 119,949.72, 179,924.81 and 31,203.08 is: 46,804.68
Step by Step Solution
- Step 1: Write the proportion equation
119,949.72 : 179,924.81 = 31,203.08 : x - Step 2: Convert to fraction form
119,949.72/179,924.81 = 31,203.08/x - Step 3: Cross multiply
119,949.72x = 179,924.81 × 31,203.08 - Step 4: Simplify right side
119,949.72x = 5,614,208,541.05 - Step 5: Solve for x
x = 5,614,208,541.05/119,949.72 - Step 6: Final answer
x = 46,804.68
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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.