Finding the Fourth Proportional to 461,657.80, 691,320.30 and 303,027.40
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Solution
The fourth proportional to 461,657.80, 691,320.30 and 303,027.40 is: 453,775.49
Step by Step Solution
- Step 1: Write the proportion equation
461,657.80 : 691,320.30 = 303,027.40 : x - Step 2: Convert to fraction form
461,657.80/691,320.30 = 303,027.40/x - Step 3: Cross multiply
461,657.80x = 691,320.30 × 303,027.40 - Step 4: Simplify right side
461,657.80x = 209,488,993,076.22 - Step 5: Solve for x
x = 209,488,993,076.22/461,657.80 - Step 6: Final answer
x = 453,775.49
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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.