Finding the Fourth Proportional to 499,108.81, 688,770.47 and 272,754.31
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Solution
The fourth proportional to 499,108.81, 688,770.47 and 272,754.31 is: 376,401.12
Step by Step Solution
- Step 1: Write the proportion equation
499,108.81 : 688,770.47 = 272,754.31 : x - Step 2: Convert to fraction form
499,108.81/688,770.47 = 272,754.31/x - Step 3: Cross multiply
499,108.81x = 688,770.47 × 272,754.31 - Step 4: Simplify right side
499,108.81x = 187,865,114,293.23 - Step 5: Solve for x
x = 187,865,114,293.23/499,108.81 - Step 6: Final answer
x = 376,401.12
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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.