Finding the Fourth Proportional to 243,790.70, 336,515.92 and 167,562.68
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Solution
The fourth proportional to 243,790.70, 336,515.92 and 167,562.68 is: 231,294.75
Step by Step Solution
- Step 1: Write the proportion equation
243,790.70 : 336,515.92 = 167,562.68 : x - Step 2: Convert to fraction form
243,790.70/336,515.92 = 167,562.68/x - Step 3: Cross multiply
243,790.70x = 336,515.92 × 167,562.68 - Step 4: Simplify right side
243,790.70x = 56,387,507,316.38 - Step 5: Solve for x
x = 56,387,507,316.38/243,790.70 - Step 6: Final answer
x = 231,294.75
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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.