Finding the Fourth Proportional to 72,157.14, 108,230.58 and 22,232.05
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Solution
The fourth proportional to 72,157.14, 108,230.58 and 22,232.05 is: 33,346.49
Step by Step Solution
- Step 1: Write the proportion equation
72,157.14 : 108,230.58 = 22,232.05 : x - Step 2: Convert to fraction form
72,157.14/108,230.58 = 22,232.05/x - Step 3: Cross multiply
72,157.14x = 108,230.58 × 22,232.05 - Step 4: Simplify right side
72,157.14x = 2,406,187,395.51 - Step 5: Solve for x
x = 2,406,187,395.51/72,157.14 - Step 6: Final answer
x = 33,346.49
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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.