Finding the Fourth Proportional to 499,357.10, 689,115.92 and 269,913.91
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Solution
The fourth proportional to 499,357.10, 689,115.92 and 269,913.91 is: 372,482.88
Step by Step Solution
- Step 1: Write the proportion equation
499,357.10 : 689,115.92 = 269,913.91 : x - Step 2: Convert to fraction form
499,357.10/689,115.92 = 269,913.91/x - Step 3: Cross multiply
499,357.10x = 689,115.92 × 269,913.91 - Step 4: Simplify right side
499,357.10x = 186,001,969,338.09 - Step 5: Solve for x
x = 186,001,969,338.09/499,357.10 - Step 6: Final answer
x = 372,482.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.