Finding the Fourth Proportional to 499,589.52, 689,449.98 and 273,235.02
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Solution
The fourth proportional to 499,589.52, 689,449.98 and 273,235.02 is: 377,073.32
Step by Step Solution
- Step 1: Write the proportion equation
499,589.52 : 689,449.98 = 273,235.02 : x - Step 2: Convert to fraction form
499,589.52/689,449.98 = 273,235.02/x - Step 3: Cross multiply
499,589.52x = 689,449.98 × 273,235.02 - Step 4: Simplify right side
499,589.52x = 188,381,879,074.30 - Step 5: Solve for x
x = 188,381,879,074.30/499,589.52 - Step 6: Final answer
x = 377,073.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.