Finding the Fourth Proportional to 246,347.73, 339,958.49 and 138,918.65
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Solution
The fourth proportional to 246,347.73, 339,958.49 and 138,918.65 is: 191,706.95
Step by Step Solution
- Step 1: Write the proportion equation
246,347.73 : 339,958.49 = 138,918.65 : x - Step 2: Convert to fraction form
246,347.73/339,958.49 = 138,918.65/x - Step 3: Cross multiply
246,347.73x = 339,958.49 × 138,918.65 - Step 4: Simplify right side
246,347.73x = 47,226,572,092.45 - Step 5: Solve for x
x = 47,226,572,092.45/246,347.73 - Step 6: Final answer
x = 191,706.95
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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.