Finding the Fourth Proportional to 136,818.40, 205,248.12 and 48,056.26
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Solution
The fourth proportional to 136,818.40, 205,248.12 and 48,056.26 is: 72,091.60
Step by Step Solution
- Step 1: Write the proportion equation
136,818.40 : 205,248.12 = 48,056.26 : x - Step 2: Convert to fraction form
136,818.40/205,248.12 = 48,056.26/x - Step 3: Cross multiply
136,818.40x = 205,248.12 × 48,056.26 - Step 4: Simplify right side
136,818.40x = 9,863,457,019.23 - Step 5: Solve for x
x = 9,863,457,019.23/136,818.40 - Step 6: Final answer
x = 72,091.60
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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.