Finding the Fourth Proportional to 233,497.65, 322,213.62 and 138,013.23
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Solution
The fourth proportional to 233,497.65, 322,213.62 and 138,013.23 is: 190,450.49
Step by Step Solution
- Step 1: Write the proportion equation
233,497.65 : 322,213.62 = 138,013.23 : x - Step 2: Convert to fraction form
233,497.65/322,213.62 = 138,013.23/x - Step 3: Cross multiply
233,497.65x = 322,213.62 × 138,013.23 - Step 4: Simplify right side
233,497.65x = 44,469,742,446.19 - Step 5: Solve for x
x = 44,469,742,446.19/233,497.65 - Step 6: Final answer
x = 190,450.49
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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.