Finding the Fourth Proportional to 135,153.30, 202,830.93 and 50,996.46
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Solution
The fourth proportional to 135,153.30, 202,830.93 and 50,996.46 is: 76,532.79
Step by Step Solution
- Step 1: Write the proportion equation
135,153.30 : 202,830.93 = 50,996.46 : x - Step 2: Convert to fraction form
135,153.30/202,830.93 = 50,996.46/x - Step 3: Cross multiply
135,153.30x = 202,830.93 × 50,996.46 - Step 4: Simplify right side
135,153.30x = 10,343,659,408.51 - Step 5: Solve for x
x = 10,343,659,408.51/135,153.30 - Step 6: Final answer
x = 76,532.79
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1.5x scale
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.