Finding the Fourth Proportional to 268,801.16, 403,450.81 and 135,774.65
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Solution
The fourth proportional to 268,801.16, 403,450.81 and 135,774.65 is: 203,787.79
Step by Step Solution
- Step 1: Write the proportion equation
268,801.16 : 403,450.81 = 135,774.65 : x - Step 2: Convert to fraction form
268,801.16/403,450.81 = 135,774.65/x - Step 3: Cross multiply
268,801.16x = 403,450.81 × 135,774.65 - Step 4: Simplify right side
268,801.16x = 54,778,393,189.16 - Step 5: Solve for x
x = 54,778,393,189.16/268,801.16 - Step 6: Final answer
x = 203,787.79
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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.