Finding the Fourth Proportional to 239,647.36, 330,731.64 and 132,238.08
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Solution
The fourth proportional to 239,647.36, 330,731.64 and 132,238.08 is: 182,498.64
Step by Step Solution
- Step 1: Write the proportion equation
239,647.36 : 330,731.64 = 132,238.08 : x - Step 2: Convert to fraction form
239,647.36/330,731.64 = 132,238.08/x - Step 3: Cross multiply
239,647.36x = 330,731.64 × 132,238.08 - Step 4: Simplify right side
239,647.36x = 43,735,317,068.85 - Step 5: Solve for x
x = 43,735,317,068.85/239,647.36 - Step 6: Final answer
x = 182,498.64
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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.