Finding the Fourth Proportional to 178,697.68, 267,376.54 and 106,386.09
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Solution
The fourth proportional to 178,697.68, 267,376.54 and 106,386.09 is: 159,180.27
Step by Step Solution
- Step 1: Write the proportion equation
178,697.68 : 267,376.54 = 106,386.09 : x - Step 2: Convert to fraction form
178,697.68/267,376.54 = 106,386.09/x - Step 3: Cross multiply
178,697.68x = 267,376.54 × 106,386.09 - Step 4: Simplify right side
178,697.68x = 28,445,144,648.33 - Step 5: Solve for x
x = 28,445,144,648.33/178,697.68 - Step 6: Final answer
x = 159,180.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.