Finding the Fourth Proportional to 197,669.18, 272,512.32 and 125,035.94
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Solution
The fourth proportional to 197,669.18, 272,512.32 and 125,035.94 is: 172,378.08
Step by Step Solution
- Step 1: Write the proportion equation
197,669.18 : 272,512.32 = 125,035.94 : x - Step 2: Convert to fraction form
197,669.18/272,512.32 = 125,035.94/x - Step 3: Cross multiply
197,669.18x = 272,512.32 × 125,035.94 - Step 4: Simplify right side
197,669.18x = 34,073,832,730.22 - Step 5: Solve for x
x = 34,073,832,730.22/197,669.18 - Step 6: Final answer
x = 172,378.08
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1.5x scale
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.