Finding the Fourth Proportional to 499,182.58, 689,440.23 and 335,554.99
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Solution
The fourth proportional to 499,182.58, 689,440.23 and 335,554.99 is: 463,447.88
Step by Step Solution
- Step 1: Write the proportion equation
499,182.58 : 689,440.23 = 335,554.99 : x - Step 2: Convert to fraction form
499,182.58/689,440.23 = 335,554.99/x - Step 3: Cross multiply
499,182.58x = 689,440.23 × 335,554.99 - Step 4: Simplify right side
499,182.58x = 231,345,109,483.25 - Step 5: Solve for x
x = 231,345,109,483.25/499,182.58 - Step 6: Final answer
x = 463,447.88
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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.