Finding the Fourth Proportional to 310,676.81, 465,807.62 and 250,778.99
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Solution
The fourth proportional to 310,676.81, 465,807.62 and 250,778.99 is: 376,000.91
Step by Step Solution
- Step 1: Write the proportion equation
310,676.81 : 465,807.62 = 250,778.99 : x - Step 2: Convert to fraction form
310,676.81/465,807.62 = 250,778.99/x - Step 3: Cross multiply
310,676.81x = 465,807.62 × 250,778.99 - Step 4: Simplify right side
310,676.81x = 116,814,760,894.97 - Step 5: Solve for x
x = 116,814,760,894.97/310,676.81 - Step 6: Final answer
x = 376,000.91
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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.