Finding the Fourth Proportional to 197,938.08, 297,023.76 and 79,621.38
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Solution
The fourth proportional to 197,938.08, 297,023.76 and 79,621.38 is: 119,478.99
Step by Step Solution
- Step 1: Write the proportion equation
197,938.08 : 297,023.76 = 79,621.38 : x - Step 2: Convert to fraction form
197,938.08/297,023.76 = 79,621.38/x - Step 3: Cross multiply
197,938.08x = 297,023.76 × 79,621.38 - Step 4: Simplify right side
197,938.08x = 23,649,441,663.99 - Step 5: Solve for x
x = 23,649,441,663.99/197,938.08 - Step 6: Final answer
x = 119,478.99
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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.