Finding the Fourth Proportional to 340,638.58, 470,081.38 and 197,481.62
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Solution
The fourth proportional to 340,638.58, 470,081.38 and 197,481.62 is: 272,524.72
Step by Step Solution
- Step 1: Write the proportion equation
340,638.58 : 470,081.38 = 197,481.62 : x - Step 2: Convert to fraction form
340,638.58/470,081.38 = 197,481.62/x - Step 3: Cross multiply
340,638.58x = 470,081.38 × 197,481.62 - Step 4: Simplify right side
340,638.58x = 92,832,432,454.24 - Step 5: Solve for x
x = 92,832,432,454.24/340,638.58 - Step 6: Final answer
x = 272,524.72
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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.