Finding the Fourth Proportional to 663,174.70, 994,760.79 and 207,800.79
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Solution
The fourth proportional to 663,174.70, 994,760.79 and 207,800.79 is: 311,700.79
Step by Step Solution
- Step 1: Write the proportion equation
663,174.70 : 994,760.79 = 207,800.79 : x - Step 2: Convert to fraction form
663,174.70/994,760.79 = 207,800.79/x - Step 3: Cross multiply
663,174.70x = 994,760.79 × 207,800.79 - Step 4: Simplify right side
663,174.70x = 206,712,078,023.02 - Step 5: Solve for x
x = 206,712,078,023.02/663,174.70 - Step 6: Final answer
x = 311,700.79
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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.