Finding the Fourth Proportional to 201,218.80, 301,828.20 and 121,502.65
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Solution
The fourth proportional to 201,218.80, 301,828.20 and 121,502.65 is: 182,253.98
Step by Step Solution
- Step 1: Write the proportion equation
201,218.80 : 301,828.20 = 121,502.65 : x - Step 2: Convert to fraction form
201,218.80/301,828.20 = 121,502.65/x - Step 3: Cross multiply
201,218.80x = 301,828.20 × 121,502.65 - Step 4: Simplify right side
201,218.80x = 36,672,926,144.73 - Step 5: Solve for x
x = 36,672,926,144.73/201,218.80 - Step 6: Final answer
x = 182,253.98
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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.