Finding the Fourth Proportional to 499,761.24, 689,676.12 and 270,323.16
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Solution
The fourth proportional to 499,761.24, 689,676.12 and 270,323.16 is: 373,048.99
Step by Step Solution
- Step 1: Write the proportion equation
499,761.24 : 689,676.12 = 270,323.16 : x - Step 2: Convert to fraction form
499,761.24/689,676.12 = 270,323.16/x - Step 3: Cross multiply
499,761.24x = 689,676.12 × 270,323.16 - Step 4: Simplify right side
499,761.24x = 186,435,428,134.94 - Step 5: Solve for x
x = 186,435,428,134.94/499,761.24 - Step 6: Final answer
x = 373,048.99
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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.