Finding the Fourth Proportional to 178,479.63, 246,309.66 and 106,845.84
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Solution
The fourth proportional to 178,479.63, 246,309.66 and 106,845.84 is: 147,451.91
Step by Step Solution
- Step 1: Write the proportion equation
178,479.63 : 246,309.66 = 106,845.84 : x - Step 2: Convert to fraction form
178,479.63/246,309.66 = 106,845.84/x - Step 3: Cross multiply
178,479.63x = 246,309.66 × 106,845.84 - Step 4: Simplify right side
178,479.63x = 26,317,162,522.81 - Step 5: Solve for x
x = 26,317,162,522.81/178,479.63 - Step 6: Final answer
x = 147,451.91
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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.