Finding the Fourth Proportional to 239,916.36, 331,075.98 and 132,480.84
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Solution
The fourth proportional to 239,916.36, 331,075.98 and 132,480.84 is: 182,818.81
Step by Step Solution
- Step 1: Write the proportion equation
239,916.36 : 331,075.98 = 132,480.84 : x - Step 2: Convert to fraction form
239,916.36/331,075.98 = 132,480.84/x - Step 3: Cross multiply
239,916.36x = 331,075.98 × 132,480.84 - Step 4: Simplify right side
239,916.36x = 43,861,223,934.22 - Step 5: Solve for x
x = 43,861,223,934.22/239,916.36 - Step 6: Final answer
x = 182,818.81
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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.