Finding the Fourth Proportional to 218,617.71, 327,895.39 and 68,854.09
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Solution
The fourth proportional to 218,617.71, 327,895.39 and 68,854.09 is: 103,271.32
Step by Step Solution
- Step 1: Write the proportion equation
218,617.71 : 327,895.39 = 68,854.09 : x - Step 2: Convert to fraction form
218,617.71/327,895.39 = 68,854.09/x - Step 3: Cross multiply
218,617.71x = 327,895.39 × 68,854.09 - Step 4: Simplify right side
218,617.71x = 22,576,938,693.65 - Step 5: Solve for x
x = 22,576,938,693.65/218,617.71 - Step 6: Final answer
x = 103,271.32
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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.