Finding the Fourth Proportional to 158,524.63, 218,758.19 and 86,903.08
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Solution
The fourth proportional to 158,524.63, 218,758.19 and 86,903.08 is: 119,923.07
Step by Step Solution
- Step 1: Write the proportion equation
158,524.63 : 218,758.19 = 86,903.08 : x - Step 2: Convert to fraction form
158,524.63/218,758.19 = 86,903.08/x - Step 3: Cross multiply
158,524.63x = 218,758.19 × 86,903.08 - Step 4: Simplify right side
158,524.63x = 19,010,759,504.81 - Step 5: Solve for x
x = 19,010,759,504.81/158,524.63 - Step 6: Final answer
x = 119,923.07
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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.