Finding the Fourth Proportional to 412,081.93, 617,320.98 and 303,814.09
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Solution
The fourth proportional to 412,081.93, 617,320.98 and 303,814.09 is: 455,129.91
Step by Step Solution
- Step 1: Write the proportion equation
412,081.93 : 617,320.98 = 303,814.09 : x - Step 2: Convert to fraction form
412,081.93/617,320.98 = 303,814.09/x - Step 3: Cross multiply
412,081.93x = 617,320.98 × 303,814.09 - Step 4: Simplify right side
412,081.93x = 187,550,811,776.61 - Step 5: Solve for x
x = 187,550,811,776.61/412,081.93 - Step 6: Final answer
x = 455,129.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.