Finding the Fourth Proportional to 372,540.84, 514,117.36 and 263,839.65
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Solution
The fourth proportional to 372,540.84, 514,117.36 and 263,839.65 is: 364,106.51
Step by Step Solution
- Step 1: Write the proportion equation
372,540.84 : 514,117.36 = 263,839.65 : x - Step 2: Convert to fraction form
372,540.84/514,117.36 = 263,839.65/x - Step 3: Cross multiply
372,540.84x = 514,117.36 × 263,839.65 - Step 4: Simplify right side
372,540.84x = 135,644,542,723.18 - Step 5: Solve for x
x = 135,644,542,723.18/372,540.84 - Step 6: Final answer
x = 364,106.51
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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.