Finding the Fourth Proportional to 165,651.24, 248,602.74 and 121,393.56
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Solution
The fourth proportional to 165,651.24, 248,602.74 and 121,393.56 is: 182,182.59
Step by Step Solution
- Step 1: Write the proportion equation
165,651.24 : 248,602.74 = 121,393.56 : x - Step 2: Convert to fraction form
165,651.24/248,602.74 = 121,393.56/x - Step 3: Cross multiply
165,651.24x = 248,602.74 × 121,393.56 - Step 4: Simplify right side
165,651.24x = 30,178,771,634.35 - Step 5: Solve for x
x = 30,178,771,634.35/165,651.24 - Step 6: Final answer
x = 182,182.59
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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.