Finding the Fourth Proportional to 304,410.20, 456,618.36 and 135,939.06
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Solution
The fourth proportional to 304,410.20, 456,618.36 and 135,939.06 is: 203,909.96
Step by Step Solution
- Step 1: Write the proportion equation
304,410.20 : 456,618.36 = 135,939.06 : x - Step 2: Convert to fraction form
304,410.20/456,618.36 = 135,939.06/x - Step 3: Cross multiply
304,410.20x = 456,618.36 × 135,939.06 - Step 4: Simplify right side
304,410.20x = 62,072,271,146.91 - Step 5: Solve for x
x = 62,072,271,146.91/304,410.20 - Step 6: Final answer
x = 203,909.96
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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.