Finding the Fourth Proportional to 159,416.10, 239,149.94 and 47,107.58
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Solution
The fourth proportional to 159,416.10, 239,149.94 and 47,107.58 is: 70,668.98
Step by Step Solution
- Step 1: Write the proportion equation
159,416.10 : 239,149.94 = 47,107.58 : x - Step 2: Convert to fraction form
159,416.10/239,149.94 = 47,107.58/x - Step 3: Cross multiply
159,416.10x = 239,149.94 × 47,107.58 - Step 4: Simplify right side
159,416.10x = 11,265,773,499.26 - Step 5: Solve for x
x = 11,265,773,499.26/159,416.10 - Step 6: Final answer
x = 70,668.98
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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.