Finding the Fourth Proportional to 303,467.80, 455,201.70 and 125,956.30
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Solution
The fourth proportional to 303,467.80, 455,201.70 and 125,956.30 is: 188,934.45
Step by Step Solution
- Step 1: Write the proportion equation
303,467.80 : 455,201.70 = 125,956.30 : x - Step 2: Convert to fraction form
303,467.80/455,201.70 = 125,956.30/x - Step 3: Cross multiply
303,467.80x = 455,201.70 × 125,956.30 - Step 4: Simplify right side
303,467.80x = 57,335,521,885.71 - Step 5: Solve for x
x = 57,335,521,885.71/303,467.80 - Step 6: Final answer
x = 188,934.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.