Finding the Fourth Proportional to 159,953.88, 239,980.04 and 115,596.08
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Solution
The fourth proportional to 159,953.88, 239,980.04 and 115,596.08 is: 173,429.69
Step by Step Solution
- Step 1: Write the proportion equation
159,953.88 : 239,980.04 = 115,596.08 : x - Step 2: Convert to fraction form
159,953.88/239,980.04 = 115,596.08/x - Step 3: Cross multiply
159,953.88x = 239,980.04 × 115,596.08 - Step 4: Simplify right side
159,953.88x = 27,740,751,902.24 - Step 5: Solve for x
x = 27,740,751,902.24/159,953.88 - Step 6: Final answer
x = 173,429.69
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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.