Finding the Fourth Proportional to 638,070.50, 957,102.97 and 188,794.18
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Solution
The fourth proportional to 638,070.50, 957,102.97 and 188,794.18 is: 283,190.45
Step by Step Solution
- Step 1: Write the proportion equation
638,070.50 : 957,102.97 = 188,794.18 : x - Step 2: Convert to fraction form
638,070.50/957,102.97 = 188,794.18/x - Step 3: Cross multiply
638,070.50x = 957,102.97 × 188,794.18 - Step 4: Simplify right side
638,070.50x = 180,695,470,396.72 - Step 5: Solve for x
x = 180,695,470,396.72/638,070.50 - Step 6: Final answer
x = 283,190.45
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1.5x scale
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.