Finding the Fourth Proportional to 393,954.72, 590,932.08 and 183,739.68
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Solution
The fourth proportional to 393,954.72, 590,932.08 and 183,739.68 is: 275,609.52
Step by Step Solution
- Step 1: Write the proportion equation
393,954.72 : 590,932.08 = 183,739.68 : x - Step 2: Convert to fraction form
393,954.72/590,932.08 = 183,739.68/x - Step 3: Cross multiply
393,954.72x = 590,932.08 × 183,739.68 - Step 4: Simplify right side
393,954.72x = 108,577,671,280.93 - Step 5: Solve for x
x = 108,577,671,280.93/393,954.72 - Step 6: Final answer
x = 275,609.52
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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.