Finding the Fourth Proportional to 239,381.64, 330,346.68 and 131,954.01
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Solution
The fourth proportional to 239,381.64, 330,346.68 and 131,954.01 is: 182,096.54
Step by Step Solution
- Step 1: Write the proportion equation
239,381.64 : 330,346.68 = 131,954.01 : x - Step 2: Convert to fraction form
239,381.64/330,346.68 = 131,954.01/x - Step 3: Cross multiply
239,381.64x = 330,346.68 × 131,954.01 - Step 4: Simplify right side
239,381.64x = 43,590,569,116.19 - Step 5: Solve for x
x = 43,590,569,116.19/239,381.64 - Step 6: Final answer
x = 182,096.54
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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.