Finding the Fourth Proportional to 499,740.11, 689,646.80 and 273,380.75
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Solution
The fourth proportional to 499,740.11, 689,646.80 and 273,380.75 is: 377,268.41
Step by Step Solution
- Step 1: Write the proportion equation
499,740.11 : 689,646.80 = 273,380.75 : x - Step 2: Convert to fraction form
499,740.11/689,646.80 = 273,380.75/x - Step 3: Cross multiply
499,740.11x = 689,646.80 × 273,380.75 - Step 4: Simplify right side
499,740.11x = 188,536,158,052.20 - Step 5: Solve for x
x = 188,536,158,052.20/499,740.11 - Step 6: Final answer
x = 377,268.41
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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.