Finding the Fourth Proportional to 499,226.64, 688,933.12 and 272,872.14
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Solution
The fourth proportional to 499,226.64, 688,933.12 and 272,872.14 is: 376,563.75
Step by Step Solution
- Step 1: Write the proportion equation
499,226.64 : 688,933.12 = 272,872.14 : x - Step 2: Convert to fraction form
499,226.64/688,933.12 = 272,872.14/x - Step 3: Cross multiply
499,226.64x = 688,933.12 × 272,872.14 - Step 4: Simplify right side
499,226.64x = 187,990,654,771.28 - Step 5: Solve for x
x = 187,990,654,771.28/499,226.64 - Step 6: Final answer
x = 376,563.75
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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.