Finding the Fourth Proportional to 373,595.76, 515,573.91 and 212,440.59
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Solution
The fourth proportional to 373,595.76, 515,573.91 and 212,440.59 is: 293,174.70
Step by Step Solution
- Step 1: Write the proportion equation
373,595.76 : 515,573.91 = 212,440.59 : x - Step 2: Convert to fraction form
373,595.76/515,573.91 = 212,440.59/x - Step 3: Cross multiply
373,595.76x = 515,573.91 × 212,440.59 - Step 4: Simplify right side
373,595.76x = 109,528,825,629.01 - Step 5: Solve for x
x = 109,528,825,629.01/373,595.76 - Step 6: Final answer
x = 293,174.70
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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.