Finding the Fourth Proportional to 136,270.09, 204,389.53 and 36,438.06
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Solution
The fourth proportional to 136,270.09, 204,389.53 and 36,438.06 is: 54,652.92
Step by Step Solution
- Step 1: Write the proportion equation
136,270.09 : 204,389.53 = 36,438.06 : x - Step 2: Convert to fraction form
136,270.09/204,389.53 = 36,438.06/x - Step 3: Cross multiply
136,270.09x = 204,389.53 × 36,438.06 - Step 4: Simplify right side
136,270.09x = 7,447,558,701.20 - Step 5: Solve for x
x = 7,447,558,701.20/136,270.09 - Step 6: Final answer
x = 54,652.92
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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.