Finding the Fourth Proportional to 114,480.83, 157,993.25 and 63,509.99
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Solution
The fourth proportional to 114,480.83, 157,993.25 and 63,509.99 is: 87,649.16
Step by Step Solution
- Step 1: Write the proportion equation
114,480.83 : 157,993.25 = 63,509.99 : x - Step 2: Convert to fraction form
114,480.83/157,993.25 = 63,509.99/x - Step 3: Cross multiply
114,480.83x = 157,993.25 × 63,509.99 - Step 4: Simplify right side
114,480.83x = 10,034,148,620.05 - Step 5: Solve for x
x = 10,034,148,620.05/114,480.83 - Step 6: Final answer
x = 87,649.16
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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.