Finding the Fourth Proportional to 215,355.97, 297,188.26 and 119,862.70
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Solution
The fourth proportional to 215,355.97, 297,188.26 and 119,862.70 is: 165,408.87
Step by Step Solution
- Step 1: Write the proportion equation
215,355.97 : 297,188.26 = 119,862.70 : x - Step 2: Convert to fraction form
215,355.97/297,188.26 = 119,862.70/x - Step 3: Cross multiply
215,355.97x = 297,188.26 × 119,862.70 - Step 4: Simplify right side
215,355.97x = 35,621,787,251.90 - Step 5: Solve for x
x = 35,621,787,251.90/215,355.97 - Step 6: Final answer
x = 165,408.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.