Finding the Fourth Proportional to 319,582.11, 479,373.71 and 255,944.99
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Solution
The fourth proportional to 319,582.11, 479,373.71 and 255,944.99 is: 383,917.92
Step by Step Solution
- Step 1: Write the proportion equation
319,582.11 : 479,373.71 = 255,944.99 : x - Step 2: Convert to fraction form
319,582.11/479,373.71 = 255,944.99/x - Step 3: Cross multiply
319,582.11x = 479,373.71 × 255,944.99 - Step 4: Simplify right side
319,582.11x = 122,693,299,871.79 - Step 5: Solve for x
x = 122,693,299,871.79/319,582.11 - Step 6: Final answer
x = 383,917.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.