Finding the Fourth Proportional to 157,044.99, 235,478.21 and 107,185.50
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Solution
The fourth proportional to 157,044.99, 235,478.21 and 107,185.50 is: 160,717.32
Step by Step Solution
- Step 1: Write the proportion equation
157,044.99 : 235,478.21 = 107,185.50 : x - Step 2: Convert to fraction form
157,044.99/235,478.21 = 107,185.50/x - Step 3: Cross multiply
157,044.99x = 235,478.21 × 107,185.50 - Step 4: Simplify right side
157,044.99x = 25,239,849,142.03 - Step 5: Solve for x
x = 25,239,849,142.03/157,044.99 - Step 6: Final answer
x = 160,717.32
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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.