Finding the Fourth Proportional to 158,494.43, 218,744.74 and 98,084.53
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Solution
The fourth proportional to 158,494.43, 218,744.74 and 98,084.53 is: 135,370.53
Step by Step Solution
- Step 1: Write the proportion equation
158,494.43 : 218,744.74 = 98,084.53 : x - Step 2: Convert to fraction form
158,494.43/218,744.74 = 98,084.53/x - Step 3: Cross multiply
158,494.43x = 218,744.74 × 98,084.53 - Step 4: Simplify right side
158,494.43x = 21,455,474,998.76 - Step 5: Solve for x
x = 21,455,474,998.76/158,494.43 - Step 6: Final answer
x = 135,370.53
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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.