Finding the Fourth Proportional to 373,239.36, 515,057.28 and 203,470.08
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Solution
The fourth proportional to 373,239.36, 515,057.28 and 203,470.08 is: 280,781.60
Step by Step Solution
- Step 1: Write the proportion equation
373,239.36 : 515,057.28 = 203,470.08 : x - Step 2: Convert to fraction form
373,239.36/515,057.28 = 203,470.08/x - Step 3: Cross multiply
373,239.36x = 515,057.28 × 203,470.08 - Step 4: Simplify right side
373,239.36x = 104,798,745,966.18 - Step 5: Solve for x
x = 104,798,745,966.18/373,239.36 - Step 6: Final answer
x = 280,781.60
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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.