Finding the Fourth Proportional to 304,410.74, 456,619.19 and 135,939.65
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Solution
The fourth proportional to 304,410.74, 456,619.19 and 135,939.65 is: 203,910.84
Step by Step Solution
- Step 1: Write the proportion equation
304,410.74 : 456,619.19 = 135,939.65 : x - Step 2: Convert to fraction form
304,410.74/456,619.19 = 135,939.65/x - Step 3: Cross multiply
304,410.74x = 456,619.19 × 135,939.65 - Step 4: Simplify right side
304,410.74x = 62,072,649,909.09 - Step 5: Solve for x
x = 62,072,649,909.09/304,410.74 - Step 6: Final answer
x = 203,910.84
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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.