Finding the Fourth Proportional to 256,011.14, 384,349.36 and 196,888.70
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Solution
The fourth proportional to 256,011.14, 384,349.36 and 196,888.70 is: 295,588.88
Step by Step Solution
- Step 1: Write the proportion equation
256,011.14 : 384,349.36 = 196,888.70 : x - Step 2: Convert to fraction form
256,011.14/384,349.36 = 196,888.70/x - Step 3: Cross multiply
256,011.14x = 384,349.36 × 196,888.70 - Step 4: Simplify right side
256,011.14x = 75,674,045,836.23 - Step 5: Solve for x
x = 75,674,045,836.23/256,011.14 - Step 6: Final answer
x = 295,588.88
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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.