Finding the Fourth Proportional to 451,974.94, 623,723.66 and 248,029.26
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Solution
The fourth proportional to 451,974.94, 623,723.66 and 248,029.26 is: 342,279.41
Step by Step Solution
- Step 1: Write the proportion equation
451,974.94 : 623,723.66 = 248,029.26 : x - Step 2: Convert to fraction form
451,974.94/623,723.66 = 248,029.26/x - Step 3: Cross multiply
451,974.94x = 623,723.66 × 248,029.26 - Step 4: Simplify right side
451,974.94x = 154,701,717,834.29 - Step 5: Solve for x
x = 154,701,717,834.29/451,974.94 - Step 6: Final answer
x = 342,279.41
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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.