Finding the Fourth Proportional to 194,269.60, 268,113.36 and 122,645.92
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Solution
The fourth proportional to 194,269.60, 268,113.36 and 122,645.92 is: 169,264.82
Step by Step Solution
- Step 1: Write the proportion equation
194,269.60 : 268,113.36 = 122,645.92 : x - Step 2: Convert to fraction form
194,269.60/268,113.36 = 122,645.92/x - Step 3: Cross multiply
194,269.60x = 268,113.36 × 122,645.92 - Step 4: Simplify right side
194,269.60x = 32,883,009,701.49 - Step 5: Solve for x
x = 32,883,009,701.49/194,269.60 - Step 6: Final answer
x = 169,264.82
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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.