Finding the Fourth Proportional to 239,708.94, 330,658.66 and 153,637.26
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Solution
The fourth proportional to 239,708.94, 330,658.66 and 153,637.26 is: 211,929.90
Step by Step Solution
- Step 1: Write the proportion equation
239,708.94 : 330,658.66 = 153,637.26 : x - Step 2: Convert to fraction form
239,708.94/330,658.66 = 153,637.26/x - Step 3: Cross multiply
239,708.94x = 330,658.66 × 153,637.26 - Step 4: Simplify right side
239,708.94x = 50,801,490,517.67 - Step 5: Solve for x
x = 50,801,490,517.67/239,708.94 - Step 6: Final answer
x = 211,929.90
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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.