Finding the Fourth Proportional to 178,201.54, 245,918.04 and 106,581.56
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Solution
The fourth proportional to 178,201.54, 245,918.04 and 106,581.56 is: 147,082.50
Step by Step Solution
- Step 1: Write the proportion equation
178,201.54 : 245,918.04 = 106,581.56 : x - Step 2: Convert to fraction form
178,201.54/245,918.04 = 106,581.56/x - Step 3: Cross multiply
178,201.54x = 245,918.04 × 106,581.56 - Step 4: Simplify right side
178,201.54x = 26,210,328,335.34 - Step 5: Solve for x
x = 26,210,328,335.34/178,201.54 - Step 6: Final answer
x = 147,082.50
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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.