Finding the Fourth Proportional to 157,539.56, 236,231.57 and 68,754.65
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Solution
The fourth proportional to 157,539.56, 236,231.57 and 68,754.65 is: 103,098.03
Step by Step Solution
- Step 1: Write the proportion equation
157,539.56 : 236,231.57 = 68,754.65 : x - Step 2: Convert to fraction form
157,539.56/236,231.57 = 68,754.65/x - Step 3: Cross multiply
157,539.56x = 236,231.57 × 68,754.65 - Step 4: Simplify right side
157,539.56x = 16,242,017,905.03 - Step 5: Solve for x
x = 16,242,017,905.03/157,539.56 - Step 6: Final answer
x = 103,098.03
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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.