Finding the Fourth Proportional to 373,530.22, 515,638.68 and 253,037.44
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Solution
The fourth proportional to 373,530.22, 515,638.68 and 253,037.44 is: 349,304.78
Step by Step Solution
- Step 1: Write the proportion equation
373,530.22 : 515,638.68 = 253,037.44 : x - Step 2: Convert to fraction form
373,530.22/515,638.68 = 253,037.44/x - Step 3: Cross multiply
373,530.22x = 515,638.68 × 253,037.44 - Step 4: Simplify right side
373,530.22x = 130,475,891,552.18 - Step 5: Solve for x
x = 130,475,891,552.18/373,530.22 - Step 6: Final answer
x = 349,304.78
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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.