Finding the Fourth Proportional to 499,475.08, 689,292.12 and 273,120.58
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Solution
The fourth proportional to 499,475.08, 689,292.12 and 273,120.58 is: 376,915.43
Step by Step Solution
- Step 1: Write the proportion equation
499,475.08 : 689,292.12 = 273,120.58 : x - Step 2: Convert to fraction form
499,475.08/689,292.12 = 273,120.58/x - Step 3: Cross multiply
499,475.08x = 689,292.12 × 273,120.58 - Step 4: Simplify right side
499,475.08x = 188,259,863,603.83 - Step 5: Solve for x
x = 188,259,863,603.83/499,475.08 - Step 6: Final answer
x = 376,915.43
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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.