Finding the Fourth Proportional to 373,649.36, 515,631.84 and 203,886.32
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Solution
The fourth proportional to 373,649.36, 515,631.84 and 203,886.32 is: 281,360.79
Step by Step Solution
- Step 1: Write the proportion equation
373,649.36 : 515,631.84 = 203,886.32 : x - Step 2: Convert to fraction form
373,649.36/515,631.84 = 203,886.32/x - Step 3: Cross multiply
373,649.36x = 515,631.84 × 203,886.32 - Step 4: Simplify right side
373,649.36x = 105,130,278,332.43 - Step 5: Solve for x
x = 105,130,278,332.43/373,649.36 - Step 6: Final answer
x = 281,360.79
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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.