Finding the Fourth Proportional to 480,969.36, 663,863.76 and 277,043.76
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Solution
The fourth proportional to 480,969.36, 663,863.76 and 277,043.76 is: 382,392.99
Step by Step Solution
- Step 1: Write the proportion equation
480,969.36 : 663,863.76 = 277,043.76 : x - Step 2: Convert to fraction form
480,969.36/663,863.76 = 277,043.76/x - Step 3: Cross multiply
480,969.36x = 663,863.76 × 277,043.76 - Step 4: Simplify right side
480,969.36x = 183,919,312,198.14 - Step 5: Solve for x
x = 183,919,312,198.14/480,969.36 - Step 6: Final answer
x = 382,392.99
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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.