Finding the Fourth Proportional to 73,464.09, 110,192.49 and 20,866.74
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Solution
The fourth proportional to 73,464.09, 110,192.49 and 20,866.74 is: 31,299.07
Step by Step Solution
- Step 1: Write the proportion equation
73,464.09 : 110,192.49 = 20,866.74 : x - Step 2: Convert to fraction form
73,464.09/110,192.49 = 20,866.74/x - Step 3: Cross multiply
73,464.09x = 110,192.49 × 20,866.74 - Step 4: Simplify right side
73,464.09x = 2,299,358,038.78 - Step 5: Solve for x
x = 2,299,358,038.78/73,464.09 - Step 6: Final answer
x = 31,299.07
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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.