Finding the Fourth Proportional to 373,709.14, 515,730.62 and 212,560.04
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Solution
The fourth proportional to 373,709.14, 515,730.62 and 212,560.04 is: 293,339.69
Step by Step Solution
- Step 1: Write the proportion equation
373,709.14 : 515,730.62 = 212,560.04 : x - Step 2: Convert to fraction form
373,709.14/515,730.62 = 212,560.04/x - Step 3: Cross multiply
373,709.14x = 515,730.62 × 212,560.04 - Step 4: Simplify right side
373,709.14x = 109,623,720,153.63 - Step 5: Solve for x
x = 109,623,720,153.63/373,709.14 - Step 6: Final answer
x = 293,339.69
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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.