Finding the Fourth Proportional to 340,066.92, 469,295.94 and 187,107.12
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Solution
The fourth proportional to 340,066.92, 469,295.94 and 187,107.12 is: 258,209.80
Step by Step Solution
- Step 1: Write the proportion equation
340,066.92 : 469,295.94 = 187,107.12 : x - Step 2: Convert to fraction form
340,066.92/469,295.94 = 187,107.12/x - Step 3: Cross multiply
340,066.92x = 469,295.94 × 187,107.12 - Step 4: Simplify right side
340,066.92x = 87,808,611,761.09 - Step 5: Solve for x
x = 87,808,611,761.09/340,066.92 - Step 6: Final answer
x = 258,209.80
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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.