Finding the Fourth Proportional to 113,930.96, 170,920.67 and 39,031.00
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Solution
The fourth proportional to 113,930.96, 170,920.67 and 39,031.00 is: 58,554.80
Step by Step Solution
- Step 1: Write the proportion equation
113,930.96 : 170,920.67 = 39,031.00 : x - Step 2: Convert to fraction form
113,930.96/170,920.67 = 39,031.00/x - Step 3: Cross multiply
113,930.96x = 170,920.67 × 39,031.00 - Step 4: Simplify right side
113,930.96x = 6,671,204,048.31 - Step 5: Solve for x
x = 6,671,204,048.31/113,930.96 - Step 6: Final answer
x = 58,554.80
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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.