Finding the Fourth Proportional to 381,073.01, 525,842.84 and 219,979.95
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Solution
The fourth proportional to 381,073.01, 525,842.84 and 219,979.95 is: 303,550.45
Step by Step Solution
- Step 1: Write the proportion equation
381,073.01 : 525,842.84 = 219,979.95 : x - Step 2: Convert to fraction form
381,073.01/525,842.84 = 219,979.95/x - Step 3: Cross multiply
381,073.01x = 525,842.84 × 219,979.95 - Step 4: Simplify right side
381,073.01x = 115,674,883,186.96 - Step 5: Solve for x
x = 115,674,883,186.96/381,073.01 - Step 6: Final answer
x = 303,550.45
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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.