Finding the Fourth Proportional to 193,082.56, 266,451.36 and 108,201.28
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Solution
The fourth proportional to 193,082.56, 266,451.36 and 108,201.28 is: 149,316.32
Step by Step Solution
- Step 1: Write the proportion equation
193,082.56 : 266,451.36 = 108,201.28 : x - Step 2: Convert to fraction form
193,082.56/266,451.36 = 108,201.28/x - Step 3: Cross multiply
193,082.56x = 266,451.36 × 108,201.28 - Step 4: Simplify right side
193,082.56x = 28,830,378,209.74 - Step 5: Solve for x
x = 28,830,378,209.74/193,082.56 - Step 6: Final answer
x = 149,316.32
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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.