Finding the Fourth Proportional to 309,787.36, 462,106.66 and 304,648.98
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Solution
The fourth proportional to 309,787.36, 462,106.66 and 304,648.98 is: 454,441.79
Step by Step Solution
- Step 1: Write the proportion equation
309,787.36 : 462,106.66 = 304,648.98 : x - Step 2: Convert to fraction form
309,787.36/462,106.66 = 304,648.98/x - Step 3: Cross multiply
309,787.36x = 462,106.66 × 304,648.98 - Step 4: Simplify right side
309,787.36x = 140,780,322,620.21 - Step 5: Solve for x
x = 140,780,322,620.21/309,787.36 - Step 6: Final answer
x = 454,441.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.