Finding the Fourth Proportional to 296,442.40, 409,090.08 and 160,475.68
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Solution
The fourth proportional to 296,442.40, 409,090.08 and 160,475.68 is: 221,456.20
Step by Step Solution
- Step 1: Write the proportion equation
296,442.40 : 409,090.08 = 160,475.68 : x - Step 2: Convert to fraction form
296,442.40/409,090.08 = 160,475.68/x - Step 3: Cross multiply
296,442.40x = 409,090.08 × 160,475.68 - Step 4: Simplify right side
296,442.40x = 65,649,008,769.25 - Step 5: Solve for x
x = 65,649,008,769.25/296,442.40 - Step 6: Final answer
x = 221,456.20
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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.