Finding the Fourth Proportional to 330,397.43, 455,846.06 and 185,183.09
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Solution
The fourth proportional to 330,397.43, 455,846.06 and 185,183.09 is: 255,495.28
Step by Step Solution
- Step 1: Write the proportion equation
330,397.43 : 455,846.06 = 185,183.09 : x - Step 2: Convert to fraction form
330,397.43/455,846.06 = 185,183.09/x - Step 3: Cross multiply
330,397.43x = 455,846.06 × 185,183.09 - Step 4: Simplify right side
330,397.43x = 84,414,984,412.41 - Step 5: Solve for x
x = 84,414,984,412.41/330,397.43 - Step 6: Final answer
x = 255,495.28
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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.