Finding the Fourth Proportional to 165,421.36, 248,108.56 and 53,087.02
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Solution
The fourth proportional to 165,421.36, 248,108.56 and 53,087.02 is: 79,622.99
Step by Step Solution
- Step 1: Write the proportion equation
165,421.36 : 248,108.56 = 53,087.02 : x - Step 2: Convert to fraction form
165,421.36/248,108.56 = 53,087.02/x - Step 3: Cross multiply
165,421.36x = 248,108.56 × 53,087.02 - Step 4: Simplify right side
165,421.36x = 13,171,343,532.98 - Step 5: Solve for x
x = 13,171,343,532.98/165,421.36 - Step 6: Final answer
x = 79,622.99
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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.