Finding the Fourth Proportional to 159,889.91, 239,793.08 and 47,539.87
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Solution
The fourth proportional to 159,889.91, 239,793.08 and 47,539.87 is: 71,297.38
Step by Step Solution
- Step 1: Write the proportion equation
159,889.91 : 239,793.08 = 47,539.87 : x - Step 2: Convert to fraction form
159,889.91/239,793.08 = 47,539.87/x - Step 3: Cross multiply
159,889.91x = 239,793.08 × 47,539.87 - Step 4: Simplify right side
159,889.91x = 11,399,731,012.92 - Step 5: Solve for x
x = 11,399,731,012.92/159,889.91 - Step 6: Final answer
x = 71,297.38
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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.