Finding the Fourth Proportional to 394,994.42, 592,491.63 and 217,410.02
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Solution
The fourth proportional to 394,994.42, 592,491.63 and 217,410.02 is: 326,115.03
Step by Step Solution
- Step 1: Write the proportion equation
394,994.42 : 592,491.63 = 217,410.02 : x - Step 2: Convert to fraction form
394,994.42/592,491.63 = 217,410.02/x - Step 3: Cross multiply
394,994.42x = 592,491.63 × 217,410.02 - Step 4: Simplify right side
394,994.42x = 128,813,617,128.13 - Step 5: Solve for x
x = 128,813,617,128.13/394,994.42 - Step 6: Final answer
x = 326,115.03
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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.