Finding the Fourth Proportional to 293,497.20, 440,245.80 and 276,001.20
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Solution
The fourth proportional to 293,497.20, 440,245.80 and 276,001.20 is: 414,001.80
Step by Step Solution
- Step 1: Write the proportion equation
293,497.20 : 440,245.80 = 276,001.20 : x - Step 2: Convert to fraction form
293,497.20/440,245.80 = 276,001.20/x - Step 3: Cross multiply
293,497.20x = 440,245.80 × 276,001.20 - Step 4: Simplify right side
293,497.20x = 121,508,369,094.96 - Step 5: Solve for x
x = 121,508,369,094.96/293,497.20 - Step 6: Final answer
x = 414,001.80
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1.5x scale
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.