Finding the Fourth Proportional to 103,510.41, 155,265.36 and 32,438.48
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Solution
The fourth proportional to 103,510.41, 155,265.36 and 32,438.48 is: 48,657.63
Step by Step Solution
- Step 1: Write the proportion equation
103,510.41 : 155,265.36 = 32,438.48 : x - Step 2: Convert to fraction form
103,510.41/155,265.36 = 32,438.48/x - Step 3: Cross multiply
103,510.41x = 155,265.36 × 32,438.48 - Step 4: Simplify right side
103,510.41x = 5,036,571,377.08 - Step 5: Solve for x
x = 5,036,571,377.08/103,510.41 - Step 6: Final answer
x = 48,657.63
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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.