Finding the Fourth Proportional to 373,708.64, 515,729.93 and 212,559.54
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Solution
The fourth proportional to 373,708.64, 515,729.93 and 212,559.54 is: 293,339.00
Step by Step Solution
- Step 1: Write the proportion equation
373,708.64 : 515,729.93 = 212,559.54 : x - Step 2: Convert to fraction form
373,708.64/515,729.93 = 212,559.54/x - Step 3: Cross multiply
373,708.64x = 515,729.93 × 212,559.54 - Step 4: Simplify right side
373,708.64x = 109,623,315,622.24 - Step 5: Solve for x
x = 109,623,315,622.24/373,708.64 - Step 6: Final answer
x = 293,339.00
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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.