Finding the Fourth Proportional to 347,610.18, 479,454.24 and 319,021.99
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Solution
The fourth proportional to 347,610.18, 479,454.24 and 319,021.99 is: 440,022.92
Step by Step Solution
- Step 1: Write the proportion equation
347,610.18 : 479,454.24 = 319,021.99 : x - Step 2: Convert to fraction form
347,610.18/479,454.24 = 319,021.99/x - Step 3: Cross multiply
347,610.18x = 479,454.24 × 319,021.99 - Step 4: Simplify right side
347,610.18x = 152,956,446,658.87 - Step 5: Solve for x
x = 152,956,446,658.87/347,610.18 - Step 6: Final answer
x = 440,022.92
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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.