Finding the Fourth Proportional to 104,711.27, 156,973.95 and 38,138.99
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Solution
The fourth proportional to 104,711.27, 156,973.95 and 38,138.99 is: 57,174.62
Step by Step Solution
- Step 1: Write the proportion equation
104,711.27 : 156,973.95 = 38,138.99 : x - Step 2: Convert to fraction form
104,711.27/156,973.95 = 38,138.99/x - Step 3: Cross multiply
104,711.27x = 156,973.95 × 38,138.99 - Step 4: Simplify right side
104,711.27x = 5,986,827,124.44 - Step 5: Solve for x
x = 5,986,827,124.44/104,711.27 - Step 6: Final answer
x = 57,174.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.