Finding the Fourth Proportional to 235,135.65, 324,586.28 and 158,758.09
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Solution
The fourth proportional to 235,135.65, 324,586.28 and 158,758.09 is: 219,153.07
Step by Step Solution
- Step 1: Write the proportion equation
235,135.65 : 324,586.28 = 158,758.09 : x - Step 2: Convert to fraction form
235,135.65/324,586.28 = 158,758.09/x - Step 3: Cross multiply
235,135.65x = 324,586.28 × 158,758.09 - Step 4: Simplify right side
235,135.65x = 51,530,698,811.10 - Step 5: Solve for x
x = 51,530,698,811.10/235,135.65 - Step 6: Final answer
x = 219,153.07
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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.