Finding the Fourth Proportional to 221,181.96, 304,989.84 and 149,437.32
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Solution
The fourth proportional to 221,181.96, 304,989.84 and 149,437.32 is: 206,060.50
Step by Step Solution
- Step 1: Write the proportion equation
221,181.96 : 304,989.84 = 149,437.32 : x - Step 2: Convert to fraction form
221,181.96/304,989.84 = 149,437.32/x - Step 3: Cross multiply
221,181.96x = 304,989.84 × 149,437.32 - Step 4: Simplify right side
221,181.96x = 45,576,864,316.83 - Step 5: Solve for x
x = 45,576,864,316.83/221,181.96 - Step 6: Final answer
x = 206,060.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.