Finding the Fourth Proportional to 443,494.17, 612,021.83 and 239,544.99
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Solution
The fourth proportional to 443,494.17, 612,021.83 and 239,544.99 is: 330,572.02
Step by Step Solution
- Step 1: Write the proportion equation
443,494.17 : 612,021.83 = 239,544.99 : x - Step 2: Convert to fraction form
443,494.17/612,021.83 = 239,544.99/x - Step 3: Cross multiply
443,494.17x = 612,021.83 × 239,544.99 - Step 4: Simplify right side
443,494.17x = 146,606,761,949.41 - Step 5: Solve for x
x = 146,606,761,949.41/443,494.17 - Step 6: Final answer
x = 330,572.02
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1.5x scale
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.