Finding the Fourth Proportional to 178,698.68, 267,378.04 and 106,387.09
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Solution
The fourth proportional to 178,698.68, 267,378.04 and 106,387.09 is: 159,181.77
Step by Step Solution
- Step 1: Write the proportion equation
178,698.68 : 267,378.04 = 106,387.09 : x - Step 2: Convert to fraction form
178,698.68/267,378.04 = 106,387.09/x - Step 3: Cross multiply
178,698.68x = 267,378.04 × 106,387.09 - Step 4: Simplify right side
178,698.68x = 28,445,571,605.50 - Step 5: Solve for x
x = 28,445,571,605.50/178,698.68 - Step 6: Final answer
x = 159,181.77
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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.