Finding the Fourth Proportional to 313,064.42, 469,392.39 and 206,124.68
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Solution
The fourth proportional to 313,064.42, 469,392.39 and 206,124.68 is: 309,052.55
Step by Step Solution
- Step 1: Write the proportion equation
313,064.42 : 469,392.39 = 206,124.68 : x - Step 2: Convert to fraction form
313,064.42/469,392.39 = 206,124.68/x - Step 3: Cross multiply
313,064.42x = 469,392.39 × 206,124.68 - Step 4: Simplify right side
313,064.42x = 96,753,356,183.19 - Step 5: Solve for x
x = 96,753,356,183.19/313,064.42 - Step 6: Final answer
x = 309,052.55
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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.