Finding the Fourth Proportional to 226,471.40, 339,966.30 and 133,029.80
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Solution
The fourth proportional to 226,471.40, 339,966.30 and 133,029.80 is: 199,696.95
Step by Step Solution
- Step 1: Write the proportion equation
226,471.40 : 339,966.30 = 133,029.80 : x - Step 2: Convert to fraction form
226,471.40/339,966.30 = 133,029.80/x - Step 3: Cross multiply
226,471.40x = 339,966.30 × 133,029.80 - Step 4: Simplify right side
226,471.40x = 45,225,648,895.74 - Step 5: Solve for x
x = 45,225,648,895.74/226,471.40 - Step 6: Final answer
x = 199,696.95
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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.