Finding the Fourth Proportional to 305,671.16, 457,664.34 and 230,563.91
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Solution
The fourth proportional to 305,671.16, 457,664.34 and 230,563.91 is: 345,210.45
Step by Step Solution
- Step 1: Write the proportion equation
305,671.16 : 457,664.34 = 230,563.91 : x - Step 2: Convert to fraction form
305,671.16/457,664.34 = 230,563.91/x - Step 3: Cross multiply
305,671.16x = 457,664.34 × 230,563.91 - Step 4: Simplify right side
305,671.16x = 105,520,879,697.97 - Step 5: Solve for x
x = 105,520,879,697.97/305,671.16 - Step 6: Final answer
x = 345,210.45
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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.