Finding the Fourth Proportional to 208,259.67, 312,401.61 and 58,511.63
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Solution
The fourth proportional to 208,259.67, 312,401.61 and 58,511.63 is: 87,770.84
Step by Step Solution
- Step 1: Write the proportion equation
208,259.67 : 312,401.61 = 58,511.63 : x - Step 2: Convert to fraction form
208,259.67/312,401.61 = 58,511.63/x - Step 3: Cross multiply
208,259.67x = 312,401.61 × 58,511.63 - Step 4: Simplify right side
208,259.67x = 18,279,125,853.72 - Step 5: Solve for x
x = 18,279,125,853.72/208,259.67 - Step 6: Final answer
x = 87,770.84
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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.