Finding the Fourth Proportional to 114,471.36, 157,964.99 and 63,480.09
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Solution
The fourth proportional to 114,471.36, 157,964.99 and 63,480.09 is: 87,599.48
Step by Step Solution
- Step 1: Write the proportion equation
114,471.36 : 157,964.99 = 63,480.09 : x - Step 2: Convert to fraction form
114,471.36/157,964.99 = 63,480.09/x - Step 3: Cross multiply
114,471.36x = 157,964.99 × 63,480.09 - Step 4: Simplify right side
114,471.36x = 10,027,631,464.65 - Step 5: Solve for x
x = 10,027,631,464.65/114,471.36 - Step 6: Final answer
x = 87,599.48
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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.