Finding the Fourth Proportional to 165,790.24, 248,758.80 and 86,885.68
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Solution
The fourth proportional to 165,790.24, 248,758.80 and 86,885.68 is: 130,367.01
Step by Step Solution
- Step 1: Write the proportion equation
165,790.24 : 248,758.80 = 86,885.68 : x - Step 2: Convert to fraction form
165,790.24/248,758.80 = 86,885.68/x - Step 3: Cross multiply
165,790.24x = 248,758.80 × 86,885.68 - Step 4: Simplify right side
165,790.24x = 21,613,577,493.98 - Step 5: Solve for x
x = 21,613,577,493.98/165,790.24 - Step 6: Final answer
x = 130,367.01
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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.