Finding the Fourth Proportional to 259,466.12, 389,251.71 and 109,706.17
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Solution
The fourth proportional to 259,466.12, 389,251.71 and 109,706.17 is: 164,581.46
Step by Step Solution
- Step 1: Write the proportion equation
259,466.12 : 389,251.71 = 109,706.17 : x - Step 2: Convert to fraction form
259,466.12/389,251.71 = 109,706.17/x - Step 3: Cross multiply
259,466.12x = 389,251.71 × 109,706.17 - Step 4: Simplify right side
259,466.12x = 42,703,313,121.13 - Step 5: Solve for x
x = 42,703,313,121.13/259,466.12 - Step 6: Final answer
x = 164,581.46
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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.