Finding the Fourth Proportional to 320,134.20, 441,868.21 and 184,182.08
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Solution
The fourth proportional to 320,134.20, 441,868.21 and 184,182.08 is: 254,219.03
Step by Step Solution
- Step 1: Write the proportion equation
320,134.20 : 441,868.21 = 184,182.08 : x - Step 2: Convert to fraction form
320,134.20/441,868.21 = 184,182.08/x - Step 3: Cross multiply
320,134.20x = 441,868.21 × 184,182.08 - Step 4: Simplify right side
320,134.20x = 81,384,206,003.68 - Step 5: Solve for x
x = 81,384,206,003.68/320,134.20 - Step 6: Final answer
x = 254,219.03
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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.