Finding the Fourth Proportional to 165,812.13, 248,742.90 and 53,455.41
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Solution
The fourth proportional to 165,812.13, 248,742.90 and 53,455.41 is: 80,191.08
Step by Step Solution
- Step 1: Write the proportion equation
165,812.13 : 248,742.90 = 53,455.41 : x - Step 2: Convert to fraction form
165,812.13/248,742.90 = 53,455.41/x - Step 3: Cross multiply
165,812.13x = 248,742.90 × 53,455.41 - Step 4: Simplify right side
165,812.13x = 13,296,653,704.09 - Step 5: Solve for x
x = 13,296,653,704.09/165,812.13 - Step 6: Final answer
x = 80,191.08
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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.