Finding the Fourth Proportional to 178,188.08, 245,899.53 and 106,568.09
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Solution
The fourth proportional to 178,188.08, 245,899.53 and 106,568.09 is: 147,063.96
Step by Step Solution
- Step 1: Write the proportion equation
178,188.08 : 245,899.53 = 106,568.09 : x - Step 2: Convert to fraction form
178,188.08/245,899.53 = 106,568.09/x - Step 3: Cross multiply
178,188.08x = 245,899.53 × 106,568.09 - Step 4: Simplify right side
178,188.08x = 26,205,044,319.81 - Step 5: Solve for x
x = 26,205,044,319.81/178,188.08 - Step 6: Final answer
x = 147,063.96
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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.