Finding the Fourth Proportional to 296,893.75, 409,739.30 and 162,783.67
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Solution
The fourth proportional to 296,893.75, 409,739.30 and 162,783.67 is: 224,655.68
Step by Step Solution
- Step 1: Write the proportion equation
296,893.75 : 409,739.30 = 162,783.67 : x - Step 2: Convert to fraction form
296,893.75/409,739.30 = 162,783.67/x - Step 3: Cross multiply
296,893.75x = 409,739.30 × 162,783.67 - Step 4: Simplify right side
296,893.75x = 66,698,866,997.23 - Step 5: Solve for x
x = 66,698,866,997.23/296,893.75 - Step 6: Final answer
x = 224,655.68
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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.