Finding the Fourth Proportional to 393,409.77, 590,234.93 and 165,823.23
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Solution
The fourth proportional to 393,409.77, 590,234.93 and 165,823.23 is: 248,785.54
Step by Step Solution
- Step 1: Write the proportion equation
393,409.77 : 590,234.93 = 165,823.23 : x - Step 2: Convert to fraction form
393,409.77/590,234.93 = 165,823.23/x - Step 3: Cross multiply
393,409.77x = 590,234.93 × 165,823.23 - Step 4: Simplify right side
393,409.77x = 97,874,661,722.31 - Step 5: Solve for x
x = 97,874,661,722.31/393,409.77 - Step 6: Final answer
x = 248,785.54
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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.