Finding the Fourth Proportional to 499,010.68, 688,634.07 and 284,150.75
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Solution
The fourth proportional to 499,010.68, 688,634.07 and 284,150.75 is: 392,127.65
Step by Step Solution
- Step 1: Write the proportion equation
499,010.68 : 688,634.07 = 284,150.75 : x - Step 2: Convert to fraction form
499,010.68/688,634.07 = 284,150.75/x - Step 3: Cross multiply
499,010.68x = 688,634.07 × 284,150.75 - Step 4: Simplify right side
499,010.68x = 195,675,887,466.05 - Step 5: Solve for x
x = 195,675,887,466.05/499,010.68 - Step 6: Final answer
x = 392,127.65
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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.