Finding the Fourth Proportional to 73,228.94, 109,767.99 and 28,837.70
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Solution
The fourth proportional to 73,228.94, 109,767.99 and 28,837.70 is: 43,226.85
Step by Step Solution
- Step 1: Write the proportion equation
73,228.94 : 109,767.99 = 28,837.70 : x - Step 2: Convert to fraction form
73,228.94/109,767.99 = 28,837.70/x - Step 3: Cross multiply
73,228.94x = 109,767.99 × 28,837.70 - Step 4: Simplify right side
73,228.94x = 3,165,456,365.22 - Step 5: Solve for x
x = 3,165,456,365.22/73,228.94 - Step 6: Final answer
x = 43,226.85
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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.