Finding the Fourth Proportional to 178,841.68, 246,760.68 and 107,234.80
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Solution
The fourth proportional to 178,841.68, 246,760.68 and 107,234.80 is: 147,959.54
Step by Step Solution
- Step 1: Write the proportion equation
178,841.68 : 246,760.68 = 107,234.80 : x - Step 2: Convert to fraction form
178,841.68/246,760.68 = 107,234.80/x - Step 3: Cross multiply
178,841.68x = 246,760.68 × 107,234.80 - Step 4: Simplify right side
178,841.68x = 26,461,332,167.66 - Step 5: Solve for x
x = 26,461,332,167.66/178,841.68 - Step 6: Final answer
x = 147,959.54
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1.5x scale
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.