Finding the Fourth Proportional to 416,685.84, 625,072.68 and 136,202.64
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Solution
The fourth proportional to 416,685.84, 625,072.68 and 136,202.64 is: 204,318.32
Step by Step Solution
- Step 1: Write the proportion equation
416,685.84 : 625,072.68 = 136,202.64 : x - Step 2: Convert to fraction form
416,685.84/625,072.68 = 136,202.64/x - Step 3: Cross multiply
416,685.84x = 625,072.68 × 136,202.64 - Step 4: Simplify right side
416,685.84x = 85,136,549,207.88 - Step 5: Solve for x
x = 85,136,549,207.88/416,685.84 - Step 6: Final answer
x = 204,318.32
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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.