Finding the Fourth Proportional to 763,459.73, 1,145,188.83 and 194,840.84
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Solution
The fourth proportional to 763,459.73, 1,145,188.83 and 194,840.84 is: 292,261.07
Step by Step Solution
- Step 1: Write the proportion equation
763,459.73 : 1,145,188.83 = 194,840.84 : x - Step 2: Convert to fraction form
763,459.73/1,145,188.83 = 194,840.84/x - Step 3: Cross multiply
763,459.73x = 1,145,188.83 × 194,840.84 - Step 4: Simplify right side
763,459.73x = 223,129,557,189.44 - Step 5: Solve for x
x = 223,129,557,189.44/763,459.73 - Step 6: Final answer
x = 292,261.07
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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.