Finding the Fourth Proportional to 101,394.97, 152,108.85 and 31,257.88
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Solution
The fourth proportional to 101,394.97, 152,108.85 and 31,257.88 is: 46,891.87
Step by Step Solution
- Step 1: Write the proportion equation
101,394.97 : 152,108.85 = 31,257.88 : x - Step 2: Convert to fraction form
101,394.97/152,108.85 = 31,257.88/x - Step 3: Cross multiply
101,394.97x = 152,108.85 × 31,257.88 - Step 4: Simplify right side
101,394.97x = 4,754,600,180.24 - Step 5: Solve for x
x = 4,754,600,180.24/101,394.97 - Step 6: Final answer
x = 46,891.87
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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.