Finding the Fourth Proportional to 461,201.70, 691,572.15 and 211,601.70
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Solution
The fourth proportional to 461,201.70, 691,572.15 and 211,601.70 is: 317,296.84
Step by Step Solution
- Step 1: Write the proportion equation
461,201.70 : 691,572.15 = 211,601.70 : x - Step 2: Convert to fraction form
461,201.70/691,572.15 = 211,601.70/x - Step 3: Cross multiply
461,201.70x = 691,572.15 × 211,601.70 - Step 4: Simplify right side
461,201.70x = 146,337,842,612.66 - Step 5: Solve for x
x = 146,337,842,612.66/461,201.70 - Step 6: Final answer
x = 317,296.84
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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.