Finding the Fourth Proportional to 325,039.38, 487,471.71 and 114,649.62
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Solution
The fourth proportional to 325,039.38, 487,471.71 and 114,649.62 is: 171,943.62
Step by Step Solution
- Step 1: Write the proportion equation
325,039.38 : 487,471.71 = 114,649.62 : x - Step 2: Convert to fraction form
325,039.38/487,471.71 = 114,649.62/x - Step 3: Cross multiply
325,039.38x = 487,471.71 × 114,649.62 - Step 4: Simplify right side
325,039.38x = 55,888,446,312.25 - Step 5: Solve for x
x = 55,888,446,312.25/325,039.38 - Step 6: Final answer
x = 171,943.62
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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.