Finding the Fourth Proportional to 159,737.99, 239,586.21 and 47,415.92
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Solution
The fourth proportional to 159,737.99, 239,586.21 and 47,415.92 is: 71,117.71
Step by Step Solution
- Step 1: Write the proportion equation
159,737.99 : 239,586.21 = 47,415.92 : x - Step 2: Convert to fraction form
159,737.99/239,586.21 = 47,415.92/x - Step 3: Cross multiply
159,737.99x = 239,586.21 × 47,415.92 - Step 4: Simplify right side
159,737.99x = 11,360,199,368.53 - Step 5: Solve for x
x = 11,360,199,368.53/159,737.99 - Step 6: Final answer
x = 71,117.71
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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.