Finding the Fourth Proportional to 499,013.04, 688,629.96 and 272,653.68
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Solution
The fourth proportional to 499,013.04, 688,629.96 and 272,653.68 is: 376,257.69
Step by Step Solution
- Step 1: Write the proportion equation
499,013.04 : 688,629.96 = 272,653.68 : x - Step 2: Convert to fraction form
499,013.04/688,629.96 = 272,653.68/x - Step 3: Cross multiply
499,013.04x = 688,629.96 × 272,653.68 - Step 4: Simplify right side
499,013.04x = 187,757,492,752.25 - Step 5: Solve for x
x = 187,757,492,752.25/499,013.04 - Step 6: Final answer
x = 376,257.69
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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.