Finding the Fourth Proportional to 239,389.19, 330,359.34 and 131,963.07
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Solution
The fourth proportional to 239,389.19, 330,359.34 and 131,963.07 is: 182,110.28
Step by Step Solution
- Step 1: Write the proportion equation
239,389.19 : 330,359.34 = 131,963.07 : x - Step 2: Convert to fraction form
239,389.19/330,359.34 = 131,963.07/x - Step 3: Cross multiply
239,389.19x = 330,359.34 × 131,963.07 - Step 4: Simplify right side
239,389.19x = 43,595,232,709.57 - Step 5: Solve for x
x = 43,595,232,709.57/239,389.19 - Step 6: Final answer
x = 182,110.28
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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.