Finding the Fourth Proportional to 100,811.05, 151,177.69 and 34,235.53
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Solution
The fourth proportional to 100,811.05, 151,177.69 and 34,235.53 is: 51,340.09
Step by Step Solution
- Step 1: Write the proportion equation
100,811.05 : 151,177.69 = 34,235.53 : x - Step 2: Convert to fraction form
100,811.05/151,177.69 = 34,235.53/x - Step 3: Cross multiply
100,811.05x = 151,177.69 × 34,235.53 - Step 4: Simplify right side
100,811.05x = 5,175,648,006.18 - Step 5: Solve for x
x = 5,175,648,006.18/100,811.05 - Step 6: Final answer
x = 51,340.09
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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.