Finding the Fourth Proportional to 178,067.62, 245,723.98 and 97,479.70
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Solution
The fourth proportional to 178,067.62, 245,723.98 and 97,479.70 is: 134,516.88
Step by Step Solution
- Step 1: Write the proportion equation
178,067.62 : 245,723.98 = 97,479.70 : x - Step 2: Convert to fraction form
178,067.62/245,723.98 = 97,479.70/x - Step 3: Cross multiply
178,067.62x = 245,723.98 × 97,479.70 - Step 4: Simplify right side
178,067.62x = 23,953,099,853.21 - Step 5: Solve for x
x = 23,953,099,853.21/178,067.62 - Step 6: Final answer
x = 134,516.88
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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.