Finding the Fourth Proportional to 299,248.56, 412,902.84 and 190,396.08
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Solution
The fourth proportional to 299,248.56, 412,902.84 and 190,396.08 is: 262,708.31
Step by Step Solution
- Step 1: Write the proportion equation
299,248.56 : 412,902.84 = 190,396.08 : x - Step 2: Convert to fraction form
299,248.56/412,902.84 = 190,396.08/x - Step 3: Cross multiply
299,248.56x = 412,902.84 × 190,396.08 - Step 4: Simplify right side
299,248.56x = 78,615,082,156.87 - Step 5: Solve for x
x = 78,615,082,156.87/299,248.56 - Step 6: Final answer
x = 262,708.31
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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.