Finding the Fourth Proportional to 385,346.06, 531,766.62 and 213,271.08
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Solution
The fourth proportional to 385,346.06, 531,766.62 and 213,271.08 is: 294,308.03
Step by Step Solution
- Step 1: Write the proportion equation
385,346.06 : 531,766.62 = 213,271.08 : x - Step 2: Convert to fraction form
385,346.06/531,766.62 = 213,271.08/x - Step 3: Cross multiply
385,346.06x = 531,766.62 × 213,271.08 - Step 4: Simplify right side
385,346.06x = 113,410,439,361.23 - Step 5: Solve for x
x = 113,410,439,361.23/385,346.06 - Step 6: Final answer
x = 294,308.03
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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.