Finding the Fourth Proportional to 480,604.19, 663,251.49 and 310,838.31
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Solution
The fourth proportional to 480,604.19, 663,251.49 and 310,838.31 is: 428,968.33
Step by Step Solution
- Step 1: Write the proportion equation
480,604.19 : 663,251.49 = 310,838.31 : x - Step 2: Convert to fraction form
480,604.19/663,251.49 = 310,838.31/x - Step 3: Cross multiply
480,604.19x = 663,251.49 × 310,838.31 - Step 4: Simplify right side
480,604.19x = 206,163,972,256.58 - Step 5: Solve for x
x = 206,163,972,256.58/480,604.19 - Step 6: Final answer
x = 428,968.33
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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.