Finding the Fourth Proportional to 218,279.04, 301,204.08 and 133,481.76
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Solution
The fourth proportional to 218,279.04, 301,204.08 and 133,481.76 is: 184,191.99
Step by Step Solution
- Step 1: Write the proportion equation
218,279.04 : 301,204.08 = 133,481.76 : x - Step 2: Convert to fraction form
218,279.04/301,204.08 = 133,481.76/x - Step 3: Cross multiply
218,279.04x = 301,204.08 × 133,481.76 - Step 4: Simplify right side
218,279.04x = 40,205,250,717.58 - Step 5: Solve for x
x = 40,205,250,717.58/218,279.04 - Step 6: Final answer
x = 184,191.99
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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.