Finding the Fourth Proportional to 320,161.30, 441,856.84 and 184,201.18
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Solution
The fourth proportional to 320,161.30, 441,856.84 and 184,201.18 is: 254,217.33
Step by Step Solution
- Step 1: Write the proportion equation
320,161.30 : 441,856.84 = 184,201.18 : x - Step 2: Convert to fraction form
320,161.30/441,856.84 = 184,201.18/x - Step 3: Cross multiply
320,161.30x = 441,856.84 × 184,201.18 - Step 4: Simplify right side
320,161.30x = 81,390,551,319.07 - Step 5: Solve for x
x = 81,390,551,319.07/320,161.30 - Step 6: Final answer
x = 254,217.33
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1.5x scale
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.