Finding the Fourth Proportional to 145,624.23, 218,091.69 and 92,873.79
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Solution
The fourth proportional to 145,624.23, 218,091.69 and 92,873.79 is: 139,090.88
Step by Step Solution
- Step 1: Write the proportion equation
145,624.23 : 218,091.69 = 92,873.79 : x - Step 2: Convert to fraction form
145,624.23/218,091.69 = 92,873.79/x - Step 3: Cross multiply
145,624.23x = 218,091.69 × 92,873.79 - Step 4: Simplify right side
145,624.23x = 20,255,001,817.81 - Step 5: Solve for x
x = 20,255,001,817.81/145,624.23 - Step 6: Final answer
x = 139,090.88
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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.