Finding the Fourth Proportional to 239,672.08, 330,749.28 and 132,246.10
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Solution
The fourth proportional to 239,672.08, 330,749.28 and 132,246.10 is: 182,500.62
Step by Step Solution
- Step 1: Write the proportion equation
239,672.08 : 330,749.28 = 132,246.10 : x - Step 2: Convert to fraction form
239,672.08/330,749.28 = 132,246.10/x - Step 3: Cross multiply
239,672.08x = 330,749.28 × 132,246.10 - Step 4: Simplify right side
239,672.08x = 43,740,302,357.81 - Step 5: Solve for x
x = 43,740,302,357.81/239,672.08 - Step 6: Final answer
x = 182,500.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.