Finding the Fourth Proportional to 133,007.74, 199,511.84 and 106,522.19
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Solution
The fourth proportional to 133,007.74, 199,511.84 and 106,522.19 is: 159,783.47
Step by Step Solution
- Step 1: Write the proportion equation
133,007.74 : 199,511.84 = 106,522.19 : x - Step 2: Convert to fraction form
133,007.74/199,511.84 = 106,522.19/x - Step 3: Cross multiply
133,007.74x = 199,511.84 × 106,522.19 - Step 4: Simplify right side
133,007.74x = 21,252,438,144.65 - Step 5: Solve for x
x = 21,252,438,144.65/133,007.74 - Step 6: Final answer
x = 159,783.47
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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.