Finding the Fourth Proportional to 106,686.44, 160,044.24 and 39,209.48
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Solution
The fourth proportional to 106,686.44, 160,044.24 and 39,209.48 is: 58,819.58
Step by Step Solution
- Step 1: Write the proportion equation
106,686.44 : 160,044.24 = 39,209.48 : x - Step 2: Convert to fraction form
106,686.44/160,044.24 = 39,209.48/x - Step 3: Cross multiply
106,686.44x = 160,044.24 × 39,209.48 - Step 4: Simplify right side
106,686.44x = 6,275,251,427.40 - Step 5: Solve for x
x = 6,275,251,427.40/106,686.44 - Step 6: Final answer
x = 58,819.58
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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.