Finding the Fourth Proportional to 73,542.29, 110,298.92 and 20,220.53
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Solution
The fourth proportional to 73,542.29, 110,298.92 and 20,220.53 is: 30,326.80
Step by Step Solution
- Step 1: Write the proportion equation
73,542.29 : 110,298.92 = 20,220.53 : x - Step 2: Convert to fraction form
73,542.29/110,298.92 = 20,220.53/x - Step 3: Cross multiply
73,542.29x = 110,298.92 × 20,220.53 - Step 4: Simplify right side
73,542.29x = 2,230,301,968.23 - Step 5: Solve for x
x = 2,230,301,968.23/73,542.29 - Step 6: Final answer
x = 30,326.80
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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.