Finding the Fourth Proportional to 239,792.09, 330,889.43 and 132,355.13
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Solution
The fourth proportional to 239,792.09, 330,889.43 and 132,355.13 is: 182,637.02
Step by Step Solution
- Step 1: Write the proportion equation
239,792.09 : 330,889.43 = 132,355.13 : x - Step 2: Convert to fraction form
239,792.09/330,889.43 = 132,355.13/x - Step 3: Cross multiply
239,792.09x = 330,889.43 × 132,355.13 - Step 4: Simplify right side
239,792.09x = 43,794,911,207.05 - Step 5: Solve for x
x = 43,794,911,207.05/239,792.09 - Step 6: Final answer
x = 182,637.02
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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.