Finding the Fourth Proportional to 157,449.18, 236,179.44 and 39,121.14
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Solution
The fourth proportional to 157,449.18, 236,179.44 and 39,121.14 is: 58,683.12
Step by Step Solution
- Step 1: Write the proportion equation
157,449.18 : 236,179.44 = 39,121.14 : x - Step 2: Convert to fraction form
157,449.18/236,179.44 = 39,121.14/x - Step 3: Cross multiply
157,449.18x = 236,179.44 × 39,121.14 - Step 4: Simplify right side
157,449.18x = 9,239,608,937.36 - Step 5: Solve for x
x = 9,239,608,937.36/157,449.18 - Step 6: Final answer
x = 58,683.12
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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.