Finding the Fourth Proportional to 73,553.70, 110,331.63 and 18,149.70
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Solution
The fourth proportional to 73,553.70, 110,331.63 and 18,149.70 is: 27,224.82
Step by Step Solution
- Step 1: Write the proportion equation
73,553.70 : 110,331.63 = 18,149.70 : x - Step 2: Convert to fraction form
73,553.70/110,331.63 = 18,149.70/x - Step 3: Cross multiply
73,553.70x = 110,331.63 × 18,149.70 - Step 4: Simplify right side
73,553.70x = 2,002,485,985.01 - Step 5: Solve for x
x = 2,002,485,985.01/73,553.70 - Step 6: Final answer
x = 27,224.82
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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.