Finding the Fourth Proportional to 155,818.37, 233,542.97 and 71,507.49
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Solution
The fourth proportional to 155,818.37, 233,542.97 and 71,507.49 is: 107,176.53
Step by Step Solution
- Step 1: Write the proportion equation
155,818.37 : 233,542.97 = 71,507.49 : x - Step 2: Convert to fraction form
155,818.37/233,542.97 = 71,507.49/x - Step 3: Cross multiply
155,818.37x = 233,542.97 × 71,507.49 - Step 4: Simplify right side
155,818.37x = 16,700,071,234.31 - Step 5: Solve for x
x = 16,700,071,234.31/155,818.37 - Step 6: Final answer
x = 107,176.53
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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.