Finding the Fourth Proportional to 479,618.99, 661,873.55 and 264,758.54
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Solution
The fourth proportional to 479,618.99, 661,873.55 and 264,758.54 is: 365,366.42
Step by Step Solution
- Step 1: Write the proportion equation
479,618.99 : 661,873.55 = 264,758.54 : x - Step 2: Convert to fraction form
479,618.99/661,873.55 = 264,758.54/x - Step 3: Cross multiply
479,618.99x = 661,873.55 × 264,758.54 - Step 4: Simplify right side
479,618.99x = 175,236,670,129.46 - Step 5: Solve for x
x = 175,236,670,129.46/479,618.99 - Step 6: Final answer
x = 365,366.42
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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.