Finding the Fourth Proportional to 340,785.11, 470,310.48 and 187,850.49
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Solution
The fourth proportional to 340,785.11, 470,310.48 and 187,850.49 is: 259,248.58
Step by Step Solution
- Step 1: Write the proportion equation
340,785.11 : 470,310.48 = 187,850.49 : x - Step 2: Convert to fraction form
340,785.11/470,310.48 = 187,850.49/x - Step 3: Cross multiply
340,785.11x = 470,310.48 × 187,850.49 - Step 4: Simplify right side
340,785.11x = 88,348,054,120.14 - Step 5: Solve for x
x = 88,348,054,120.14/340,785.11 - Step 6: Final answer
x = 259,248.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.