Finding the Fourth Proportional to 293,358.60, 440,183.70 and 115,871.40
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Solution
The fourth proportional to 293,358.60, 440,183.70 and 115,871.40 is: 173,864.69
Step by Step Solution
- Step 1: Write the proportion equation
293,358.60 : 440,183.70 = 115,871.40 : x - Step 2: Convert to fraction form
293,358.60/440,183.70 = 115,871.40/x - Step 3: Cross multiply
293,358.60x = 440,183.70 × 115,871.40 - Step 4: Simplify right side
293,358.60x = 51,004,701,576.18 - Step 5: Solve for x
x = 51,004,701,576.18/293,358.60 - Step 6: Final answer
x = 173,864.69
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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.