Finding the Fourth Proportional to 178,028.76, 245,601.18 and 106,372.92
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Solution
The fourth proportional to 178,028.76, 245,601.18 and 106,372.92 is: 146,747.72
Step by Step Solution
- Step 1: Write the proportion equation
178,028.76 : 245,601.18 = 106,372.92 : x - Step 2: Convert to fraction form
178,028.76/245,601.18 = 106,372.92/x - Step 3: Cross multiply
178,028.76x = 245,601.18 × 106,372.92 - Step 4: Simplify right side
178,028.76x = 26,125,314,672.05 - Step 5: Solve for x
x = 26,125,314,672.05/178,028.76 - Step 6: Final answer
x = 146,747.72
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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.