Finding the Fourth Proportional to 738,186.42, 1,107,174.42 and 232,681.65
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Solution
The fourth proportional to 738,186.42, 1,107,174.42 and 232,681.65 is: 348,989.31
Step by Step Solution
- Step 1: Write the proportion equation
738,186.42 : 1,107,174.42 = 232,681.65 : x - Step 2: Convert to fraction form
738,186.42/1,107,174.42 = 232,681.65/x - Step 3: Cross multiply
738,186.42x = 1,107,174.42 × 232,681.65 - Step 4: Simplify right side
738,186.42x = 257,619,170,883.39 - Step 5: Solve for x
x = 257,619,170,883.39/738,186.42 - Step 6: Final answer
x = 348,989.31
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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.