Finding the Fourth Proportional to 239,569.74, 330,604.90 and 132,139.53
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Solution
The fourth proportional to 239,569.74, 330,604.90 and 132,139.53 is: 182,351.81
Step by Step Solution
- Step 1: Write the proportion equation
239,569.74 : 330,604.90 = 132,139.53 : x - Step 2: Convert to fraction form
239,569.74/330,604.90 = 132,139.53/x - Step 3: Cross multiply
239,569.74x = 330,604.90 × 132,139.53 - Step 4: Simplify right side
239,569.74x = 43,685,975,441.00 - Step 5: Solve for x
x = 43,685,975,441.00/239,569.74 - Step 6: Final answer
x = 182,351.81
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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.