Finding the Fourth Proportional to 178,163.80, 267,258.16 and 71,547.74
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Solution
The fourth proportional to 178,163.80, 267,258.16 and 71,547.74 is: 107,326.61
Step by Step Solution
- Step 1: Write the proportion equation
178,163.80 : 267,258.16 = 71,547.74 : x - Step 2: Convert to fraction form
178,163.80/267,258.16 = 71,547.74/x - Step 3: Cross multiply
178,163.80x = 267,258.16 × 71,547.74 - Step 4: Simplify right side
178,163.80x = 19,121,717,344.56 - Step 5: Solve for x
x = 19,121,717,344.56/178,163.80 - Step 6: Final answer
x = 107,326.61
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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.