Finding the Fourth Proportional to 324,848.21, 487,355.36 and 135,245.55
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Solution
The fourth proportional to 324,848.21, 487,355.36 and 135,245.55 is: 202,902.90
Step by Step Solution
- Step 1: Write the proportion equation
324,848.21 : 487,355.36 = 135,245.55 : x - Step 2: Convert to fraction form
324,848.21/487,355.36 = 135,245.55/x - Step 3: Cross multiply
324,848.21x = 487,355.36 × 135,245.55 - Step 4: Simplify right side
324,848.21x = 65,912,643,032.42 - Step 5: Solve for x
x = 65,912,643,032.42/324,848.21 - Step 6: Final answer
x = 202,902.90
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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.