Finding the Fourth Proportional to 135,773.70, 203,594.77 and 79,632.19
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Solution
The fourth proportional to 135,773.70, 203,594.77 and 79,632.19 is: 119,409.70
Step by Step Solution
- Step 1: Write the proportion equation
135,773.70 : 203,594.77 = 79,632.19 : x - Step 2: Convert to fraction form
135,773.70/203,594.77 = 79,632.19/x - Step 3: Cross multiply
135,773.70x = 203,594.77 × 79,632.19 - Step 4: Simplify right side
135,773.70x = 16,212,697,407.65 - Step 5: Solve for x
x = 16,212,697,407.65/135,773.70 - Step 6: Final answer
x = 119,409.70
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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.