Finding the Fourth Proportional to 228,490.80, 342,795.33 and 133,800.99
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Solution
The fourth proportional to 228,490.80, 342,795.33 and 133,800.99 is: 200,736.11
Step by Step Solution
- Step 1: Write the proportion equation
228,490.80 : 342,795.33 = 133,800.99 : x - Step 2: Convert to fraction form
228,490.80/342,795.33 = 133,800.99/x - Step 3: Cross multiply
228,490.80x = 342,795.33 × 133,800.99 - Step 4: Simplify right side
228,490.80x = 45,866,354,521.38 - Step 5: Solve for x
x = 45,866,354,521.38/228,490.80 - Step 6: Final answer
x = 200,736.11
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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.