Finding the Fourth Proportional to 499,422.58, 689,205.81 and 273,068.08
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Solution
The fourth proportional to 499,422.58, 689,205.81 and 273,068.08 is: 376,835.40
Step by Step Solution
- Step 1: Write the proportion equation
499,422.58 : 689,205.81 = 273,068.08 : x - Step 2: Convert to fraction form
499,422.58/689,205.81 = 273,068.08/x - Step 3: Cross multiply
499,422.58x = 689,205.81 × 273,068.08 - Step 4: Simplify right side
499,422.58x = 188,200,106,562.54 - Step 5: Solve for x
x = 188,200,106,562.54/499,422.58 - Step 6: Final answer
x = 376,835.40
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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.