Finding the Fourth Proportional to 408,671.44, 613,056.36 and 135,126.94
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Solution
The fourth proportional to 408,671.44, 613,056.36 and 135,126.94 is: 202,706.68
Step by Step Solution
- Step 1: Write the proportion equation
408,671.44 : 613,056.36 = 135,126.94 : x - Step 2: Convert to fraction form
408,671.44/613,056.36 = 135,126.94/x - Step 3: Cross multiply
408,671.44x = 613,056.36 × 135,126.94 - Step 4: Simplify right side
408,671.44x = 82,840,429,974.34 - Step 5: Solve for x
x = 82,840,429,974.34/408,671.44 - Step 6: Final answer
x = 202,706.68
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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.