Finding the Fourth Proportional to 239,830.63, 330,957.60 and 132,398.36
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Solution
The fourth proportional to 239,830.63, 330,957.60 and 132,398.36 is: 182,704.95
Step by Step Solution
- Step 1: Write the proportion equation
239,830.63 : 330,957.60 = 132,398.36 : x - Step 2: Convert to fraction form
239,830.63/330,957.60 = 132,398.36/x - Step 3: Cross multiply
239,830.63x = 330,957.60 × 132,398.36 - Step 4: Simplify right side
239,830.63x = 43,818,243,469.54 - Step 5: Solve for x
x = 43,818,243,469.54/239,830.63 - Step 6: Final answer
x = 182,704.95
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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.