Finding the Fourth Proportional to 405,813.21, 560,201.58 and 242,527.32
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Solution
The fourth proportional to 405,813.21, 560,201.58 and 242,527.32 is: 334,794.89
Step by Step Solution
- Step 1: Write the proportion equation
405,813.21 : 560,201.58 = 242,527.32 : x - Step 2: Convert to fraction form
405,813.21/560,201.58 = 242,527.32/x - Step 3: Cross multiply
405,813.21x = 560,201.58 × 242,527.32 - Step 4: Simplify right side
405,813.21x = 135,864,187,857.17 - Step 5: Solve for x
x = 135,864,187,857.17/405,813.21 - Step 6: Final answer
x = 334,794.89
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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.