Finding the Fourth Proportional to 197,911.79, 296,867.92 and 48,152.09
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Solution
The fourth proportional to 197,911.79, 296,867.92 and 48,152.09 is: 72,228.19
Step by Step Solution
- Step 1: Write the proportion equation
197,911.79 : 296,867.92 = 48,152.09 : x - Step 2: Convert to fraction form
197,911.79/296,867.92 = 48,152.09/x - Step 3: Cross multiply
197,911.79x = 296,867.92 × 48,152.09 - Step 4: Simplify right side
197,911.79x = 14,294,810,801.95 - Step 5: Solve for x
x = 14,294,810,801.95/197,911.79 - Step 6: Final answer
x = 72,228.19
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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.