Finding the Fourth Proportional to 201,423.99, 301,863.81 and 76,696.95
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Solution
The fourth proportional to 201,423.99, 301,863.81 and 76,696.95 is: 114,941.79
Step by Step Solution
- Step 1: Write the proportion equation
201,423.99 : 301,863.81 = 76,696.95 : x - Step 2: Convert to fraction form
201,423.99/301,863.81 = 76,696.95/x - Step 3: Cross multiply
201,423.99x = 301,863.81 × 76,696.95 - Step 4: Simplify right side
201,423.99x = 23,152,033,542.38 - Step 5: Solve for x
x = 23,152,033,542.38/201,423.99 - Step 6: Final answer
x = 114,941.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.