Finding the Fourth Proportional to 372,817.38, 559,170.18 and 120,064.44
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Solution
The fourth proportional to 372,817.38, 559,170.18 and 120,064.44 is: 180,078.66
Step by Step Solution
- Step 1: Write the proportion equation
372,817.38 : 559,170.18 = 120,064.44 : x - Step 2: Convert to fraction form
372,817.38/559,170.18 = 120,064.44/x - Step 3: Cross multiply
372,817.38x = 559,170.18 × 120,064.44 - Step 4: Simplify right side
372,817.38x = 67,136,454,526.40 - Step 5: Solve for x
x = 67,136,454,526.40/372,817.38 - Step 6: Final answer
x = 180,078.66
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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.